– Do you know who cleaned the blackboard, Tina?
-- Yes. John _____.
A. do B. does C. did
相关试题
—_____ do you _____ English?
—I like it very much.
A. How; like B. What; like C. How; think of
means “ _____”.Look! The students _____ the classroom.
A. cleaning B. are cleaning C. are clean
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