Tom    jump into the sea before the boat turned over.

A．can

B．could

C．be able to

D．was able to

Complete the following sentences as required. (根据所给要求完成句子，每空格限填一词。)
【小题1】My grandma used to get up early in the morning.(改为否定句)
My grandma ______ ______ to get up early in the morning.
【小题2】Mike is the best football player in our school.(保持句意不变)
Mike is ______ than any other football ______in our school.
【小题3】When water freezes, it turns into ice.(划线部分提问)
______ ______ when water freezes?
【小题4】There is little water in the pot. (改为反义疑问句)
There is little water in the pot，______ ______ ?
【小题5】Can you tell me how I can get to the nearest underground station? (改为简单句)
Can you tell me______ ______ get to the nearest underground station?
【小题6】the younger students, want, to, I, what changes, would like, find out, to, see, you (连词成句)
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