问题
填空题
用must，might， could，can't填空。
1. The toy _____ be Bob's. He is the only little kid.
2. The beautiful trousers _____ be Jim's. They are too long.
3. The football _____ be Wei Hua's or Tian Hui's. They both play football.
4. The earrings _____ be Janie's. She wears earrings sometimes.
5. The textbook _____ belong to Tom. It has his name on it.
答案
1. must 2. can't 3. might 4. could 5. must