问题
选择题
—How many lessons do you usually have a day?
—Six lessons a day, and each of them _____ 45 minutes. [ ]
A. last
B. lasts
C. have
答案
答案：B
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—How many lessons do you usually have a day?
—Six lessons a day, and each of them _____ 45 minutes. [ ]
A. last
B. lasts
C. have
答案：B
