At a beach or a swimming pool a lifeguard is a person who is responsible for __________ other swimmers and protecting them from accidents.
| A．turning to | B．watching over | C．watching out | D．digging out |
相关试题
Do you know
that with wise men improves your mind?
| A．chat | B．chats | C．chatted | D．chatting |
The house rent is expensive. I’ve got about half the space I had at home and I’m paying________here.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |
--- What happened to your shoes?
--- They want .
| A．to mend | B．being mended | C．mending | D．mended |
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