问题
选择题
Some dogs just don’t know _______ fun.
A．how have
B．how to have
C．how having
D．how to has
答案
答案：B
考查疑问词+不定式结构。句意：一些狗只是不知道怎样玩得高兴。选B。
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Some dogs just don’t know _______ fun.
A．how have
B．how to have
C．how having
D．how to has
答案：B
考查疑问词+不定式结构。句意：一些狗只是不知道怎样玩得高兴。选B。