[ Modals of Advice ]
If the employees visit Canada, they ____ take warm clothes.
A. had better
B. ought
C. should
D. must

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B. go to school
C. brush your teeth
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My aunt and uncle …………. another baby
A. don’t want
B. doesn’t want
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A. Is
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Did you _____ a good time?
A. had
B. have
C. has