问题补充:
---Mum, I’m going out with my classmate tonight.
---OK. But you’d better back too late.
A. don’t come
B. not to come
C. not coming
D. not come
答案:
A. don’t come
B. not to come
C. not coming
D. not come
解析:考查动词。句意:妈妈,今晚我打算跟我的同学出去。好的,最好不要回来得太晚。考查固定句型had better do sth最好做某事。所以选D项。