He was born _____ the evening_____April 8th[ ]

_____ is his hair?—It’s black.[ ]

Must I finish my composition (作文) right now?－No, you _______.You can hand it in tomorrow.

It is useful book.—Yes, it tells us how to play football.

Let’s go fishing if it _______ this weekend. 一But nobody knows if it _______ this weekend. [ ]