问题
选择题
---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
D
题目分析：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。