A-A+
He didn't know ______ or go home.A．to waitB．if
问题详情
He didn"t know ______ or go home.
A．to wait
B．if that he should wait
C．if to wait
D．whether to wait请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：在本题中，作know的宾语的是疑问词+不定式。疑问词+不定式结构可以在句中作主语、宾 语、表语和同位语。跟这一结构作宾语的动词除了know之外还有：ask，consider，decide，discover， explain，find out，forget，guess，imagine，inquire，know，learn，observe，remember，see，tell，understand，wonder等等。又如：She doesn't know whether to get married or wait for a few years．(她 不知道是结婚还是再等几年。)
