问题
选择题
______ good habits ______ very important.
A．Having; is
B．Having; are
C．Have; is
D．Have; are
答案
答案：A
考察动名词做主语。养成好习惯这一件事做主语，谓语用单数。故选A
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______ good habits ______ very important.
A．Having; is
B．Having; are
C．Have; is
D．Have; are
答案：A
考察动名词做主语。养成好习惯这一件事做主语，谓语用单数。故选A