Unit 2 Saving the Earth Topic1 现在完成时与一般过去时的区别 （时间：60分钟，满分：100分） 单项选择(本大题共40小题，每小题2.5分，共100分) 1．（2024·福建三明·三模）—Who is the one that knows AI best in your class —Peter. He _____ the classes on it since he was six years old. A．takes B．took C．has taken 2．（2024·福建福州·三模）—Our school _____ all kinds of after-school services for students since 2021. —That sounds great! A．provides B．is providing C．has provided 3．（2024·福建泉州·三模）—Richard, it seems that you have known a lot about Fujian. —Of course. I _____ in Fujian for ten years. A．stayed B．will stay C．have stayed 4．（2024·福建厦门·三模）—2,300 students from Ningxia hiked 100 miles to worship the martyrs (祭英烈). —So touching! I hear that they _____ doing it for 29 years. A．will keep on B．have kept on C．are keeping on 5．（2024·福建福州·二模）—Jenny, why don’t you take your own umbrella Where is yours —Someone else _____ my umbrella by mistake. I can’t find it now. A．will take B．is taking C．has taken 6．（2024·福建泉州·二模）—Alex, go and clean your bedroom. —I _____ it. Look! It’s tidy and clean now. A．have cleaned B．cleaned C．will clean 7．（2024·福建莆田·一模）—Would you like to see the film with me —Sorry, I _____ it twice. A．saw B．have seen C．will see 8．（2024·福建福州·二模）China’s third aircraft carrier PLANS Fujian (Hull 18) _____ to Shanghai Jiangnan Shipyard in the afternoon of May 8th after completing its eight-day maiden sea trial. A．has returned B．returned C．returns 9．（2024·福建漳州·二模）So far, Chinese scientists _____ robotic fish that can help clean up plastic pollution in the sea. A．developed B．will develop C．have developed 10．（23-24九年级下·福建泉州·期中）I saw Mia in February and I _____ her since then. A．haven’t seen B．don’t see C．won’t see 11．（23-24九年级上·福建漳州·期末）—Look, the book on the shelf is popular. —Yes, I _____ it three times. A．have read B．am reading C．was reading 12．（23-24九年级上·福建宁德·期末）—May I speak to Li Ming —Oh, he isn’t in. He _____ Ningde Science and Technology Museum. A．has been to B．has gone to C．has been in 13．（22-23九年级下·福建厦门·期中）We _____ each other since I came to Quanzhou, but we often send emails. A．haven’t seen B．didn’t see C．don’t see 14．（2024·福建泉州·一模）Hurry up! Our friends _____ at the gate since 20 minutes ago. A．are waiting B．have waited C．will wait 15．（2024九年级·福建·专题练习）Jessica has visited many famous places _____ she came to China last year. A．before B．when C．since 16．（2024九年级·福建·专题练习）—When did you know Jack —Two years ago. We_____ each other for more than two years. A．know B．knew C．have known 17．（2024九年级·福建·专题练习）—The new dress looks good on you. When did you buy it —On July 7th. I _____ it for a week. A．have bought B．have had C．bought 18．（2024九年级·福建·专题练习）How time flies! We _____ t ... ...
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