Let’s go fishing if it _______this weekend.—But nobody knows if it _________.

The girl is good at science and she always finishes her science homework _________ in our class.

We’ll go early，we may not get a seat

Tony gets up very late in the morning, ______ he is often late for school.

Mr. President, do you plan to educate your two daughters to be officials?—To tell you the truth, I hope they can do whatevertheir interests.