The problem is difficult for me work out.
#51005
A
very; to
B
enough; to
C
so; that
D
too; to
推荐题目
Thank you for ________to let me _______on the trip．
#51073
A
agree, going
B
agreeing, to go
C
agreeing, go
D
agree, go
Simon made a big bamboo box _______ the little sick bird till it could fly.
#49425
A
keep
B
kept
C
keeping
D
to keep
We have worked for three hours. Now let's stop _________ a rest.
#50692
A
to have
B
had
C
have
D
having