[ Grammar ]
______ can be very demanding.
A. The ages of two
B. Two-year-olds
C. Two years of children
D. Two-years-olds

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A. As a subject
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People ______holidays in space in the 22nd century.
A. will have spent
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Anna wants to buy some chocolate. She should go to the __________.
A. zoo
B. bakery
C. sweetshop
D. cinema
