问题
_____ middle school students allowed to use mobile phone at school
A:Do
B:Did
C:Are
D:Can;
B:Did
C:Are
D:Can;
正确答案是：
同类题型
The population of China is _______ than that of _______country in the world.
I ______ through that bitter period without your generous help. [ ]
It won’t be long ______ you regret what you have done.
The idea of your article is quite original but the language needs _______ a little.[ ]
_Tony is such a selfish person_ I agreeNever again ________ with him