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A
3. We ________ use mobile phones when the plane takes off.
A. won’t B. shouldn’t C. needn’t D. mustn’t
4. can, shall, can’t, must, shouldn’t
(1)Now all passengers ________ show their ID cards and go through the
safety check before they take a train.
(2)Megan is talented in language learning, and she ________ speak
English fluently at the age of ten.
(3)________ we go shopping on the weekend? I want to buy a skirt for
my mother as her birthday present.
D
must
could
Shall
(4) Come on! We _________ give up our dreams at any time because they
can make us full of energy.
(5) That boy ________ be Jim, because Jim is reading books in the library
now.
shouldn’t
can’t