What’s 15 and 18?It’s________A.thirty-three B.thirteen C.forty-one
It's cold ____ Beijing.A.on B.in C.is
It's 9:45. It's time ____ music class.A.to B.for C.of
Look at the clock, what ____ is it?A.class B.time C.can
It's 10 o'clock. It's time ____ go to school.A.to B.for C.of
Choose the right answer.在B栏里找出A栏的正确答句，把字母编号写在题前的括号里。（10分)
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