Giúp mk với ạ Choose the best answer 1. My bicycle...............last night. A. has been stolen B. was stolen C. stole D. is stolen. 2. A lot of champagne.....................at the New Year’s Eve every day. A. is drunk B. has been drunk C. will be drunk D. are drunk 3. The problem is very difficult. It.................... A. can’t solve B. couldn’t solve C. can’t be solved D. solved 4. All the school in this area........... immediately A. improve B. have to be improved C. have to improve D. are improving 5. In order to keep our environment clean and green, a lot of trees........... A. should plant B. shouldn’ be planted C. should be planted D.are planted 6. Why don’t you have your car.............? A. wash B. washed C. to wash D. washing 7. The National Stadium............next Sunday. A. open B. will open C. will be open D. will be opened. 8. Some one must meet him at the railway station A. He must be at the railway station B. He must be met at the railway station C. He must be meet at the railway station D. He must have been met at the railway station