In some cities it is very difficult to have a telephone _____ , and people have to wait a long time before they can get a phone.

 I ________ that I won’t tell anyone your secret. You should trust me.

My father gives me five hundred yuan a month which I think can____ all my expenses. 

You do need to _____ students’ great potential for learning English.

I would like to buy a house—modern，comfortable，and _______ in a quiet place．