—Have you decided where to spend your summer holiday?—Not yet. We _________ go to Qingdao.
So difficult______it to live in an English-speaking country that I determined to learn English well.
The new law has come into _____; surely it will have _____on industry of the country.
He picked up an envelope ____50 dollars in it.
The husband rushed to the hospital ____ he heard that his wife was injured.
At the shopping centre, he didn’t know what _____ and _____ with an empty bag.