Is it John that is being scolded in the manager’s office?
No. It ______ be him. I saw him on the way just now.
| A．mustn’t | B．won’t | C．can’t | D．may not |
---- Why does the river smell terrible?
---- Because large quantities of water______．
| A．have been polluted | B．has polluted | C．has been polluted | D．have polluted |
Cathy went to the hospital alone. If she had told me about it, I _____ with her.
| A．went | B．had gone | C．would go | D．would have gone |
Of all the books on the desk, ______ is of any use for study.
| A．nothing | B．no one | C．neither | D．none |
Sam _____ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up | C．picked up | D．set up |
A new iPad in the market costs about ______ of a second-hand one.
| A．three timesofthe price | B．three times as much as the price |
| C．three times the price | D．three times more than the price |