- 用所给单词的适当形式填空1. Trees must __________(prevent) from being cut down.2. They __________(plant) ten thousand ...
- The bike____ .Let's take a bus instead,[ ]A. is wrongB. isn't workC. has broken down
- — your coat ?—Not yet.[ ]A. Has, cleanedB. Has, been cleanedC. Was, cleaned
- —Hi,Jim. I_______ you for a long time.—I_______ in Beijing for two months. I’ve just comeback.[ ]A. didn’t see; have...
- My English teacher _______ the Great Wall three times since he came to China.[ ]A. has been toB. has beenC. has gone ...
- Mr Hua to Japan. He'll come back in two weeks.[ ]A. goesB. wentC. has goneD. will go
- We ______ here for three years.[ ]A. have beenB. have comeC. have cameD. came
- —Is Miss Li in the office?—No, she ______ the classroom.[ ]A. has gone toB. has goneC. has been to
- I must return the dictionary to Allen now. I _____ it for three weeks already.[ ]A. keptB. will keepC. have kept
- Our English teacher is very nice. We _____ friends since three years ago.[ ]A.wereB. becameC. have beenD. have made
- Our teacher ______ to Beijing many times . He knows Beijing very well.[ ]A. goesB. is goingC. has goneD. has been
- 根据要求改写句子。1. She wrote a letter to her friend. (用Just 改为现在完成时)She _ just a letter to her friend.2. Lu...
- He _______ to China twice.[ ]A. has beenB. has goneC. is goingD. goes
- — Why is your English so good?— Because I _______ New York for six years.[ ]A.go toB.have been toC.have gone toD...
- —Where is Tom? Mr wang is looking for him.—Sorry, I don't know. Maybe he ______ to the library.[ ]A. wentB. goneC. ha...