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—Do you know the girl is from Canada?
—Yes, her name is Helen.
A. whom B. which C. whose D. who
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You shouldn’t borrow others’ bike _________ permission.
A. without B. with C. haven’t D. hasn’t
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He doesn’t know _________.
A. to do what B. to do how C. what to do D. how to do
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Air pollution ________ from many ________ sources.
A. is coming, differ B. comes, different
C. is coming, difference D. comes, differences
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What do wee need ________ to protect our environment?
A. to do B. to C. do D. doing
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If we use fewer chemicals called CFCs, the ozone layer will be ________.
A. protected B. damaged C. destroyed D. threatened
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Look, he is good at swimming, ________ a fish in the water.
A. for B. with C. like D. seem
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My mother often asks my father _________ too much. It’s bad for his health.
A. doesn’t smoke B. not to smoke C. not smoke D. not smoking
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We should change our habit of using plastic bags, and then we can ________ our earth.
A. damage B. destroy C. threat D. protect
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---I think my coat _______ yours, isn’t it?
--- Yes, you’re right.
A. similar to B. the same as C. different from D. familiar to
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