In order to get good marks in the coming exam, my son ______late every night in the past three weeks.
#11784
A
studies
B
studied
C
has been studying
D
was studying
推荐题目
Although at times learning to play the piano Was tiring for me，it was well worth he_______.
#10928
A
effort
B
strength
C
intelligence
D
preparation
Thank you for the trouble that you had ________me with my studies.
#12478
A
helped
B
to help
C
helping
D
helps