— Have you mended your bike? — Yes, I __

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问题选择题

— Have you mended your bike?
— Yes, I ______ it twenty minutes ago.

A.have mended
B.mend
C.mended
D.had mended

答案

答案：C

选择题

The little boy, who had _____ gift for music from an early age, is considered to be _____ future Beethoven by his teachers.

A．the; /

B．/; a

C．a; a

D．the; /

选择题

根据下列实验现象，所得结论错误的是