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完成句子，每空一词
他弹吉他弹得很好。
He can play the guitar ________ ________．
He can hardly believe it,________?
A．
can't he
B．
can he
C．
Can't him
D．
can him
He can't ________, but he can ________ the piano．
sing; play
sings; plays
singing; playing
be sing; to play
Complete each sentence with an adjective ＋‘enough’＋the‘to’-infinitive form of the verbs in brackets.
for example:
I am 18 years old. I can vote in elections.
I am old enough to vote (vote) in elections.
Tommy is clever. He can become an inventor.
Tommy is ________ (become)an inventor.