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Unit 13 We're trying to save the earth!
第3课时 Section A(Grammar Focus-4c)
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Ⅰ.根据句意及汉语提示完成单词
1.Nick couldn't __________(承担得起)to go on a trip to Hong Kong.
2.I will move to France next year,so I need to __________(改善)my French.
3.Gina _______(拯救)a little girl from falling into the water yesterday.
4.The weather is so ________________(极好的)that we can have a picnic in the park.
5.Dennis __________(试图;设法)his best to make a birthday cake for his mother last Sunday.
afford
improve
saved
fantastic/excellent
tried
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Ⅱ.从括号中选择合适的词语填空
1.Have you ever __________(heard of/heard from)that saying “Who knows that each bowl of rice is the fruit of hard toil?”
2.Mr. Smith __________(can't/shouldn't)be in the office.Because he has gone to Chengdu on business.
3.A one-way ticket _______(costs/pays)$40,and you can __________ (cost/pay) another $20 for a round-trip ticket.
4.We must do everything we can __________(make/to make)our earth cleaner and safer.
heard of
can't
costs
pay
to make
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5.—Mom, __________(must/could)I do my homework tonight?
—No,you __________(needn't/mustn't).But you must finish it before Sunday.
6.Alfred used to _______ in the sun,but now he is used to __________ at night.(read/reading)
7.Why don't you __________ us to ____________ the speech contest?(join/take part in)
8.I _____(may/need)be late,so don't wait for me to start the meeting.
must
needn't
read
reading
join
take part in
may
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Ⅲ.用括号中所给单词的适当形式填空
1.Look! Jack and his monkey __________(play)with a ball in the garden.
2.Miss Brown,we _______________(finish)cleaning our classroom.Can we go home now?
3.Robert is very surprised that all the houses in the village ___________
__________(paint)white.
4.—__________ Karen __________(use)to have short hair?
—Yes.But her hair is long now.
5.These days,the air __________(pollute)badly because people are driving more cars.
6.Greg couldn't be able to ________(buy)the guitar that he really liked.
are playing
have fi