Don’t ______ him. He is very happy now.
| A．worries | B．worries about |
| C．worry | D．worry about |
--_______may I keep this book? --For two weeks.
| A．How often | B．How soon | C．How long | D．How far |
We have no time to play. We have _________ homework to do.
| A．too much | B．much too |
| C．too many | D．many too |
—Whose book is it? —Look! Jane’s name is on the cover(封面). It _________ hers.
| A．can’t be | B．must is | C．should be | D．must be |
His father often ___________to work.
| A．takes a bike | B．by bike |
| C．on foot | D．rides a bike |