He thinks _____ history about Chinese is very important.
#49013
A
studied
B
studying
C
studies
D
study
推荐题目
You should move back and forth while _______ basketball.
#50269
A
to play
B
playing
C
are playing
D
plays
All the students are busy _____ English in the morning.
#51133
A
practising to read
B
practising reading
C
to practice to read
D
to practice reading
