【正文】 m 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?？疾楝F(xiàn)在進行時。你的毛衣穿反了。考查動詞時態(tài)。9．B【詳解】句意：——杰克，你能把你的照相機借給我嗎？——抱歉，我正在用。他們現(xiàn)在正在開會。5．D【詳解】句意：我不能把我的英語書借給你，因為這些天我在用它。根據(jù)題干中“Shall I turn on the light?”可知是說話時天正在變黑，用現(xiàn)在進行時表示動態(tài)的變化。s go to the cinema. There’s a new movie called Avengers IV. —Not now, I _____________ my brother David with his math.A．help B．helped C．a(chǎn)m helping D．have helped18．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening19．—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A．think about B．a(chǎn)m thinking about C．was thinking about D．thought about20．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on21．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having22．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．a(chǎn)re making C．make D．will make23．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves25．—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．a(chǎn)re losing B．were losing C．lost D．have lost26．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling27．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making28．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have29．—Can Peter play games with us, Mrs. Hawking?—Wait a minute. He ________ a shower.A．is taking B．taken C．took D．was taking30．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared33．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying34．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing35．Sorry, you can’t take the eraser away, Tony. I ________ it.A．have used B．used C．was using D．a(chǎn)m using36．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made37．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．a(chǎn)m watering C．watered D．have watered38．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing39．—Tom, w