The student couldn’t ______ what the teacher was trying to explain. 
#73302
A
recognize
B
grasp
C
study
D
achieve
推荐题目
Who do you ___ we send to cover the bank robbery. 
#69902
A
know
B
suggest
C
think
D
suppose
When did you ___ him?
#80756
A
know
B
knowing
C
get to know
D
get to knowing