The gloomy weather shows no ______ of improving. 阴沉的天气没有丝毫转晴的迹象。

I had a sudden ______ to eat dumplings. 我突然很想吃饺子。

You may ______ to your notes if you want. 如果需要，可以查阅笔记。

They went into town to ______ in some serious shopping. 他们进城去大肆购物。

Please wait for a minute the green light isn't on.

A. if
B. unless
C. but
D. after

you can't come tomorrow, we can hold the party a little late.

A. Or
But
C. For
D. If

We will have no water to drink we don't protect the earth.

A. if
B. until
C. before
D. though

The kid feels excited so many places of interest to visit.

A. that
B. for
C. with
D. by

a word more spoken, she left the meeting room.

A. With
B. Without
C. For
D. To

Don't be the world, let the world wonder for you.

A. surprised at
B. surprised by
C. supposed by
D. supposed with