1) Why were there no buses yesterday? Maybe it was the snow or they _____ been on strike. a) must have b) might have c) couldn't have d) might 2) You _____ seen her, surely! She was standing right in front of you. a) must have b) might have c) might d) must 3) Let's ask at reception to see if they have your keys. Someone _____ found them. a) must have b) might have c) can't have d) might 4) He _____ gone to Russia. He didn't have a passport. a) couldn't b) might have c) couldn't have d) might 5) I explained the homework but she did the wrong page. She _____ misunderstood me. a) must have b) may have c) may d) must 6) Oh no! My phone's not in my bag. I _____ left it at home. a) must have b) can have c) must d) can 7) It is still a mystery how the robber gained access to the bank. Police are investigating whether the suspect _____ known one of the employees. a) may b) may have c) couldn't have d) can't 8) I _____ left my wallet in the restaurant. I paid for the taxi home afterwards. a) must have b) could have c) can't have d) could 9) Do you remember my birthday party last year? You _____ remember! It was the same day as your graduation. a) can't b) could c) must d) must have 10) Come in and sit down. You _____ be tired after the journey. a) must b) might c) must have d) might have 11) Whose is this coat? It _____ be Paul's. It's way too small for him. a) must b) could have c) can't d) must have 12) The exam results will be out soon. It _____ be this week or possibly next week. a) must b) might c) must have d) might have 13) She always gets such good grades at school. She _____ work very hard. a) must b) must have c) can't d) can't have 14) The doctor said my headaches _____ be because of the hot weather but they're going to do some tests to be sure. a) could have b) could c) can't have d) can't 15) He _____ be our teacher! He looks about twelve! a) must b) can't have c) can't d) must have 16) Take this umbrella just in case. It looks as if it _____ rain. a) must b) might c) might have d) must have

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?