问题

k you should complain —,of course, you are happy with the way things are.

A:if
B:extremely
C:frequently
D:because

正确答案是：

同类题型

It is reportedthat the floods have left about _________ people homeless.

Can I use your phone—______

I saw Jane and her boyfriend in the park at eight yesterday evening—ImpossibleShe TV with me in my home then

We ____ a word unless she asks us ____.

I want to go to school early tomorrow, Mum. —- OK. Don’t worry. I can ____________at 6:00 in the morning.