There was a________look on his face when he met with the________problem.
#18995
A
confusing;confusing
B
confused;confused
C
confusing;confused
D
confused;confusing
推荐题目
The new research team was led by the ________engineer.
#19184
A
main
B
major
C
chief
D
primary
It’s an ________well (井). Stay away from it.
#34876
A
one meter deep
B
One-meter-deep
C
18 meters deep
D
18-meter-deep