问题
选择题
We must avoid _____ a bad impression on others in public places .
A．to leave
B．leaving
C．to have left
D．leave
答案
答案：B
考察短语。Be avoid doing sth避免做某事，后面一般不接不定式。故选B。
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We must avoid _____ a bad impression on others in public places .
A．to leave
B．leaving
C．to have left
D．leave
答案：B
考察短语。Be avoid doing sth避免做某事，后面一般不接不定式。故选B。