问题

______ students should be given more freetime is suggested by many experts and welcomed by kids in school

A:Having checked
B:Checking
C:If youcheck
D:To check

正确答案是：

同类题型

Employees need to ____________ the latest technicaldevelopments

Lin Fang comes home____than before this term. She doesn’t have so many classes inthe afternoon..

How is Dennis getting along with his work?　—Well, he could always _____ a new idea for increasing sales.

Look! The girl passing by must be a newcomer!—No, she _______ be a newcomer. I’m sure it is at least one year since she came to live here.

We are in the same class. ______ classroom is very nice.