问题

When I first got to Harvard, my awkward English brought me great trouble.——Oh, dear, it _______a struggle for you to keep up with other students.

A:might be
B:can be
C:could have been
D:must have been

正确答案是：

同类题型

The boy used to cause a lot of _________/’trʌbl / very much.

There are ________ rules in our class.

Their sudden attack made us more ________ of the danger around us.

I stayed at a hotel while in New York.—Oh, did you? You ___ with Barbara.[ ]

He is hard-working and is often ___. I hope he will have more ____ at his business.