At the railway station,the mother waved goodbye to her son until the train was .
| A．out of sight | B．out of reach |
| C．out of order | D．out of place |
____ is amazing that such a yo
ung girl can be so good at shooting.
| A．What | B．It | C．This | D．That |
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 |