问题
选择题
Laying eggs ____ the ant queen’s full-time job.
A．is
B．are
C．has
D．have
答案
答案：A
动名词作主语。谓语动词为单数。
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Laying eggs ____ the ant queen’s full-time job.
A．is
B．are
C．has
D．have
答案：A
动名词作主语。谓语动词为单数。