The old man has two sons，________is a soldier.
| A．one of whom | B．both of them | C．all of whom | D．both of whom |
——Hi, Mike．Any idea where Mary is?
——She ____ in the classroom．I saw her there just now．
| A．shall be | B．should have been | C．must be | D．might have been |
There’s no _____ from my bedroom window except fro some factory chimneys．
| A．view | B．scenery | C．sight | D．look |
—Have you thought of the topic for the composition?
— Not yet．I _____ it very carefully, but I haven’t decided．
| A．will consider | B．have been considering |
| C．had considered | D．was considering |
The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution．
| A．/; / | B．the; / | C．the; the | D．a; the |
．_____ and happy, Tom stood up and accepted the prize．
| A．Surprising | B．Surprised | C．Being surprised | D．To be surprised |