问题

I wonder __________ that made him so upsetyesterday.

A:As long as
B:what is it
C:what it was
D:it what is

正确答案是：

同类题型

______ quickly, _______ you won’t be able to catch the train.

It will be very convenient to travel in this city when the underground ________ next year.

These tickets are useless. Can I –Yes, but make sure you put them in thedustbin.

Sixteen-years-olds shouldn’t ______to go to an Internet bar.

oblem may not____, but there’s no harm tobe careful.