Question

The teacher told us ________ clean the classroom.

[　　]

A．forgot to

B．not forgot to

C．not to forget to

D．no to forgot to

Answer 1

答案：C
解析：

本题考查动词tell的用法。tell sb to do sth意为“告诉某人做某事”，其否定形式tell sb not to do sth“告诉某人别做某事”，do的形式与句中时态无关，故选C。