She is very nice, but because she has a（）way of speaking, she is slow in making friends

I tried very hard to persuade him to join our group but I met with a flat（）

The noise of the traffic（）Paul from his work.

Mr. Edward was not in, so his brother acted as （）at the party.

An explosion is a sudden increase in amount（）

Our department（）courses in several foreign languages.

He will behave(crazy)（）if he drinks too much.

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

In China,it is quite (nature)（） for people to go back home for the Spring Festival.

The weakening housing market continued to take its（）on the industry.