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

The aircraft vanished without（）

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

Many students found the book （）;it provided them with a large amount of information on the subject.

I was（）than angry when I saw how they'd ruined the landscape.

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

An explosion is a sudden increase in amount（）

Some say yes and others say no; I don't know （）to follow.

Our department（）courses in several foreign languages.

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