—__________ socks are they?
—They are __________ socks.
| A．Who, he | B．Who, his |
| C．Whose, he | D．Whose, his |
Who is the man __________ long hair.
| A．has | B．in |
| C．with | D．have |
__________ your books and look at the blackboard.
| A．Close s | B．Close |
| C．Closing | D．To close |
Boys and girls, please read __________ me.
| A．in | B．on |
| C．at | D．after |
There is __________ “u” and __________ “s” in the word “student”.
| A．a, a | B．a, an |
| C．an, an | D．an, a |