问题
选择题
John ____________ his students is playing basketball on the playground.
A．as well
B．as well as
C．and
D．together
答案
答案：B
考查主谓一致。as well as 连接两个主语时谓语动词用单数形式，句意：不仅他的学生们而且他正在操场上打篮球。所以选B。
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