The old professor travelled from one school to another, _______ first-hand information about the education situation in China. 
#92204
A
to gather
B
collecting
C
getting together
D
to get together
推荐题目
---Why do you look so upset?---There are so many troublesome problems ____.
#94721
A
remaining to be settled
B
remained settled
C
remaining to settle
D
remained to be settled
If you go on thin ice ,you risk ______through.
#96086
A
fall
B
to fall
C
fell
D
falling
_______ his studies, he started travelling in China.
#92636
A
As soon as finish
B
As soon as finishing
C
Upon finishing
D
Upon finish