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

Since we can't hear you at the back of the hall, you'll have to（）your voice.

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

She couldn't（）laughing at him in those clothes.

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

I just managed to（）a quick breath before I was pulled under the water by the passing boats.

Anne（）from outside her home last Wednesday.

Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

The price they offered for my old car was so low that I（）it down.

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