内容正文:
Unit 1 Food for thought
突破·语法大冲关
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can
can
were able to
can't
Could
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has to
had to
must
mustn't
must
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I needn't/don't need to get up early
Need I gather the children
How dare you say
dared(to)touch an elephant
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You had better not miss the last bus.
You had better come early tomorrow.
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be able to
must
had to
could
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had better
needn't
can
had to
dare
can't
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could
had better
examined
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had to
dare
protecting
needn't/don't have to
be able to
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must
importance
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Thank you for watching !
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