【正文】 以建議不要走這邊，故選B。故選B。根據(jù)“Be quiet.”及語境可知，此處表達的動作是正在進行的，應(yīng)用現(xiàn)在進行時，故選B。故填B。故選B。根據(jù)上文“You nearly hit the tree! What’s up”可知，這件事發(fā)生在現(xiàn)在，且結(jié)合語境可知，我快要撞到樹上時正在思考家鄉(xiāng)之旅，故此處應(yīng)為現(xiàn)在進行時?？疾楝F(xiàn)在進行時。結(jié)合語境及選項，故選C?？疾橐话銓頃r?？疾楝F(xiàn)在進行時。根據(jù)語境可知，此時不能幫媽媽洗碗，是因為正在做作業(yè)，應(yīng)用現(xiàn)在進行時，構(gòu)成形式為：be doing。look“看”用于提醒，后面的句子需用現(xiàn)在進行時“be doing”結(jié)構(gòu)。12．B【詳解】句意：現(xiàn)在，位于森林路的ABC電影院正在放映老電影《羅馬假日》。根據(jù)“He is in the kitchen.”和“now”可知，該句為現(xiàn)在進行時，謂語結(jié)構(gòu)是：be+動詞的現(xiàn)在分詞。故選B。我稍后給你。故選B。考查現(xiàn)在進行時?？疾楝F(xiàn)在進行時。根據(jù)上句“Betty can’t join us in the game”，此處指的是現(xiàn)在發(fā)生的事，故應(yīng)用現(xiàn)在時，且根據(jù)語境可知，貝蒂不能來的原因是她正在打掃教室，故句子應(yīng)用現(xiàn)在進行時，其構(gòu)成是am/is/are doing。根據(jù)問句“What’s that noise, Mike?”可知，提到的聲響是現(xiàn)有的，結(jié)合答句中“now”可知，是說現(xiàn)在正在進行的動作，用現(xiàn)在進行時?？疾閯釉~時態(tài)?？疾闀r態(tài)。t seen Jack for a couple of days. —He ________ for the English speaking petition which will take place next week.A．will prepare B．is preparing C．has prepared D．was preparing3．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．plays B．played C．will play D．is playing4．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning5．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing6．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing7．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having8．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using9．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using10．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed11．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing D．was washing12．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on13．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touched B．will touch C．touch D．a(chǎn)re touching14．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．a(chǎn)m doing D．have done15．—I can39。根據(jù)“Tom, please give me a hand in moving the piano.”及語境可知解析：C【詳解】句意：——湯姆，請幫我搬一下鋼琴。選項A為一般將來時；選項B為現(xiàn)在進行時；選項C為現(xiàn)在完成時；選項D為過去進行時?？疾闀r態(tài)。根據(jù)上句“Betty can’t join us in the game”，此處指的是現(xiàn)在發(fā)生的事，故應(yīng)用現(xiàn)在時，且根據(jù)解析：D【詳解】句意：貝蒂不能參加我們的比賽?？疾楝F(xiàn)在進行時。根據(jù)句中“Listen”提示，動作正在發(fā)生，故應(yīng)用現(xiàn)在進行時?？疾楝F(xiàn)在進行時。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語書借給你，說明這些天我在用它，符合語境；所以句子時態(tài)應(yīng)為現(xiàn)在進行時。根據(jù)“Sorry...”及“I will give it to you later.”可知，抱歉，我稍后給你。他正在洗碗?？疾楝F(xiàn)在進行時的用法。故選B。14．C【詳解】句意：——Candy，你能幫我洗碗嗎？——對不起，媽媽。故選C。故選C。結(jié)構(gòu)為：主語+will/shall+動詞原形、主語+am/is/are+動名詞。wait表一般現(xiàn)在時；am waiting表現(xiàn)在進行時；has waited表現(xiàn)在解析：B【詳解】句意：——媽媽，現(xiàn)在很晚了。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進行時；was th解析：B【詳解】句意：——嘿！你差點撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅?？疾閯釉~時態(tài)。他們正在開派對。解析：B【詳解】句意：安靜點。工人們正在修路。解析：B【詳解】句