问题

So difficult ________ it to live in an English-speaking country that I was determined to learn English well．

A:I have felt
B:have I felt
C:I did feel
D:did I feel

正确答案是：

同类题型

They are broadening the bridge to_____ the flow of traffic.

We can no longer ________ to consider water an almostfree resource that we can use as much as we like.

rry, we want to hear what you think about thereform being carried out in our school—OK, I _____ to that

_____ the work better, but you didn’t put moreefforts to it.

In no case ______ allowed to go on.