---Why didn’t Tom give you one of his paintings? ---I didn’t want one, but he would have given me one if I _________.
Eye doctors recommend that a child’s first eye exam____ at the age of six months old.
-----Excuse me, but could I trouble you for some change? ------_______.Will pennies do?
(2013·新课标Ⅱ卷)Since nobody gave him any help, he have done the research on his own.
The door ________ open, no matter how hard she pushed.
My mom suggests that we ________ eat out for a change this weekend.