问题

There is still so much work to do that aholiday for me this week is ______

A:if；when
B:if；aslong as
C:whether；aslong as
D:whether；since

正确答案是：

同类题型

we_______a film next week

I’ll try ________ late again.

Mr. King didn’t know ________ yesterday evening.

The science of computer, ______ rapid progress has been made in recent years，plays a very important role in our daily life.

We should do what we can to save those_________ species, for example, the tiger, an animal which was considered_______ to humans.