—Tom must be at home because the light in his house is on.
| —Tom must be at home because the light in his house is on. —He be at home, because I saw him playing basketball on the playground. A. must B. can’t C. mustn’t |
可能相似的问题
| —Tom must be at home because the light in his house is on. —He be at home, because I saw him playing basketball on the playground. A. must B. can’t C. mustn’t |