I ________ through that bitter period without your generous help.

If it were not for the fact that she_______sing, I would invite her to the party. 

If only he _____ quietly as the doctor instructed, he would not suffer so much now.

——What sort of house do you want to have?  Something big?——Well, it          be big--that’s not important.

—Ms Lin looks rather a kind lady.  —But in fact she is cold and hard on us. You ____believe it!