【正文】 ——天哪！太危險了。根據(jù)后句“I was told it would e in two days.”可推知，空處的動作應是正在進行，應用現(xiàn)在進行時，構成形式為：be doing；主語“I”是第一人稱單數(shù)形式，助動詞應用am；wait的現(xiàn)在分詞是waiting。根據(jù)上文“could you help pick up the phone”，結合麥琪的肯定回答，可知ring是正在發(fā)生的動作，需用be doing現(xiàn)在進行時結構。根據(jù)語境可知，為了讓對方安靜下來，此句應強調學生現(xiàn)在正在考試這個事情；強調此刻正在進行的動作，時態(tài)應用現(xiàn)在進行時，其構成為“be doing”。face動詞原形；faces第三人稱單數(shù)；is facing現(xiàn)在進行時，主語為單數(shù)形式；are facing現(xiàn)在進行解析：D【詳解】句意：目前，南蘇丹的許多兒童正面臨著饑餓的問題?？疾楝F(xiàn)在進行時。考查時態(tài)辨析。根據(jù)句中“Look!”提示，此處表示正在發(fā)生的動作，故句子應用現(xiàn)在進行時。根據(jù)“Can you give me a hand?”和“Wait a moment.”可知解析：A【詳解】句意：——爸爸，我解不出這道數(shù)學題。我正在廚房學習如何包餃子?？疾闀r態(tài)。故選C。故選C?？疾楝F(xiàn)在進行時的用法。根據(jù)“Where is your mother, Kitty?”可知，此處是詢問當前的情況，表示正在做某事，用現(xiàn)解析：C【詳解】句意：——你媽媽在哪里，基蒂？——她正在廚房里做晚飯?？疾閯釉~時態(tài)。考查動詞時態(tài)。根據(jù)“You’d better not go this way”可知，工人們正在修路，所以建議不要走這邊，故選B。根據(jù)“We are sure to win.”可知正在做最后的準備，用現(xiàn)在進行時，其結構為am/is/are d解析：B【詳解】句意：我們組的同學正在為比賽做最后的準備。根據(jù)“Be quiet.”及語境可知，此處表達的動作是正在進行的，應用現(xiàn)在進行時，故選B。根據(jù)“Peter, please be quiet.”可知，現(xiàn)在要保持安靜，此處表示你哥哥現(xiàn)在正在錄音，因此用現(xiàn)在解析：D【詳解】句意：——彼得，請安靜。解析：B【詳解】句意：——弗蘭克在哪兒？——他正在房間里聽音樂。waters一般現(xiàn)在時；is watering現(xiàn)在進行時；watered一般過去時；has watered現(xiàn)在完成時?？疾闀r態(tài)。故選D。根據(jù)next year可知是一般將來時態(tài)?？疾楝F(xiàn)在進行時。考查時態(tài)?？疾闀r態(tài)。故選C。故選C。10．C【詳解】句意：——Candy，你能幫我洗碗嗎？——對不起，媽媽。look“看”用于提醒，后面的句子需用現(xiàn)在進行時“be doing”結構。——這就來。考查現(xiàn)在進行時。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進行時，結構：am/is/are+動詞ing，主語My brother是第三人稱單數(shù)，故be動詞用is?？疾闀r態(tài)。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，故此處應為現(xiàn)在進行時?？疾閯釉~時態(tài)。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered19．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening20．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording21．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had22．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．are making C．make D．will make23．You’d better not go this way. The workers _________ the road. A．have repaired B．are repairing C．repaired D．will repair24．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．am cleaning B．will clean C．was cleaning D．have cleaned25．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—How do you find your pany?—A little worried. We ________ ground as a leader in the field of IT with the others speeding up development.A．are losing B．were losing C．lost D．have lost28．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．are making D．were making29．Look, many people ________ in the park.A．dance B．danced C．are dancing D．will dance30．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．am doing C．did31．Joe