问题补充:
He did what he couldher out of trouble.
A. help
B. tohelp
C. helped
D. helping
答案:
A. help
(答案→)B. tohelp
C. helped
D. helping
解析:句意:他尽他所能帮助他摆脱困难。What he could是宾语从句,后面省略了to,所以需要填的是目的状语,只有不定式可以做目的状语,选B。
时间:2018-09-10 09:34:19
He did what he couldher out of trouble.
A. help
B. tohelp
C. helped
D. helping
A. help
(答案→)B. tohelp
C. helped
D. helping
解析:句意:他尽他所能帮助他摆脱困难。What he could是宾语从句,后面省略了to,所以需要填的是目的状语,只有不定式可以做目的状语,选B。