Question

The teacher told us ________ clean the classroom.

1. A.
   forgot to
2. B.
   not forgot to
3. C.
   not to forget to
4. D.
   no to forgot to

Answer 1

C
解析：
本題考查動(dòng)詞tell的用法。tell sb to do sth意為“告訴某人做某事”，其否定形式tell sb not to do sth“告訴某人別做某事”，do的形式與句中時(shí)態(tài)無關(guān)，故選C。