—Why does Sara know so much about Angkor Wat?
—She _______ there,or she may have read about it.
| A．must have been |
| B．shouldn’t have been |
| C．may have been |
| D．can’t have been |
Water, which seems so simple and common, is makes life possible.
| A．what | B．that | C．which | D．how |
Look! That fellow is too sleepy to work. He ______ up reading until midnight.
| A．mustn't stay | B．mustn't have stayed |
| C．ought not to stay | D．should not have stayed |
According to Lee, it was Ben’s carelessness that _______ the accident. But Ben _______ his wrong doing.
| A．led to; got the hang of | B．caused; got away from |
| C．accounted for; got away with | D．resulted in; went away with |
I believe that those mountains ________ with trees in a few years’ time.
| A．are covered | B．will be covered | C．are covering | D．will cover |
______ the scene, he couldn’t h
elp thinking of the description in a book ____ by a British novelist.
| A．Seeing; written | B．Seen; written |
| C．Being seen; writing | D．Being seeing; written |