问题补充:
The soldiers tried their best and did what they could against the flood.
A. fight
B. to fight
C. fighting
D. fought
答案:
A. fight
(答案→)B. to fight
C. fighting
D. fought
解析:could后面省略了实义动词do;what they could(do)作前面动词did的宾语,故后面用不定式作目的状语。
时间:2020-10-11 16:07:47
The soldiers tried their best and did what they could against the flood.
A. fight
B. to fight
C. fighting
D. fought
A. fight
(答案→)B. to fight
C. fighting
D. fought
解析:could后面省略了实义动词do;what they could(do)作前面动词did的宾语,故后面用不定式作目的状语。