问题

____ they are closest friends is not clearthough they live together.

A:That
B:If
C:What
D:Whether

正确答案是：

同类题型

I am a new student here.

Alice likes listening to____ music while Joan is fond of surfing on ____Internet.

For some time the discussion went with noone sayingword Alice finally brokeSilence

1–Does the bookstore mathbooks–Yes. Do you want toone

_______ is easy for many students to _______ to school.