—Will you be able to finish the report before Friday? —I can’t ________ anything, but I’ll try my best. 
#70316
A
guarantee
B
transform
C
prepare
D
say
推荐题目
The police asked him to _________what he had seen. 
#71578
A
set about
B
set down
C
set up
D
set out
I have always regretted ______ harder at school.
#64810
A
not to study
B
to not study
C
having not studied
D
not having studied
Keep on trying. Never _________. I am sure you will succeed sooner or later.
#76814
A
lose your heart
B
lose hearts
C
lose one’s hear
D
lose heart