--What’s the result of killing the sharks?
--If the number of the sharks ______, the other ocean lives will be in danger as well.
| A．drop too little | B．drops too little |
| C．drop too low | D．drops too low |
相关试题
I like _______the floor, it’s _______.
| A．sweep; relaxing | B．to sweep; relax | C．sweeping; relax | D．to sweep; relaxing |
Jim _______Betty ______see a film once a week last year.
| A．invite; to | B．invite; for | C．invite; for | D．invited; to |
It’s Sunday tomorrow, so you _______ get up so early.
| A．needn’t to | B．need to | C．don’t need to | D．don’t need |
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