He devoted as much time as he could _________ on the plan.
#48907
A
working
B
to work
C
worked
D
to working
推荐题目
We teachers should ______ students ______ us questions in class.
#48995
A
be allowed, to ask
B
let, to ask
C
encourage, to ask
D
allow, ask
---I find the more we study, the more difficulty we have ________ out Maths problems.---Oh, I agree with you. Maths is more and more difficult.
#50150
A
worked
B
work
C
works
D
working
Your backpack is in the________ case.
#51112
A
lost and found
B
found and lost
C
lose and found
D
find and lose