问题补充:
I don’t know .
A. what to do it
B. how to do it
C. what to do
D. to do what
答案:
A. what to do it
B. how to do it
(答案→)C. what to do
D. to do what
解析:考查疑问词+不定式。what to do中,what作do的宾语,A项it多余,排除A;D项的疑问词应该放前面,排除D。 how to do中缺少宾语,排除B。故选C。
时间:2021-06-04 13:57:38
I don’t know .
A. what to do it
B. how to do it
C. what to do
D. to do what
A. what to do it
B. how to do it
(答案→)C. what to do
D. to do what
解析:考查疑问词+不定式。what to do中,what作do的宾语,A项it多余,排除A;D项的疑问词应该放前面,排除D。 how to do中缺少宾语,排除B。故选C。