问题
选择题
Father is sleeping . You’d better __________ quiet .
A．to keep
B．keep
C．keeping
D．not keep
答案
答案：B
you’b better +do sth，你最好做某事。
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Father is sleeping . You’d better __________ quiet .
A．to keep
B．keep
C．keeping
D．not keep
答案：B
you’b better +do sth，你最好做某事。