They kept the button but nothing happened at all. A. press B. to press C. pressed D. pressing——青夏教育精英家教网——

题目内容

They kept ______ the button but nothing happened at all.

A. press
B. to press
C. pressed
D. pressing

试题答案

D

相关题目

They kept ______ the button but nothing happened at all.

A. press
B. to press
C. pressed
D. pressing

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