问题

The two girls are so alike that strangers find ________ difficult to tell one from the other.

A:it;
B:them
C:her;
D:that;

正确答案是：

同类题型

What about TV—OK.

My brother would like to buy a good watch but_______ was available from that shop.

We need to get to the root of the problem ________ we can solve it.

To understand the grammar of the sentence, you mustbreak it ___________ into parts.

I tried many times, but I still failed to complete the experiment. — Cheer up. _______ and the problem will be solved.[ ]