He often spends much time________playing the piano.
#49131
A
practice
B
practices
C
to practice
D
practicing
推荐题目
Fruit and vegetables are good for us. We need them __________ healthy.
#48814
A
keep
B
keeping
C
to keep
D
keeps
Our teacher often tells us ________ too much time watching TV.
#49379
A
don’t spend
B
not spend
C
not to spend
D
not spending
— Do you know why he left so early?—_______for the English test, I guess.
#51187
A
To study
B
Study
C
Studied
D
Studying
Dr. Ma used to two or three persons in the hospital.
#49403
A
operate on
B
operating on
C
operate for
D
operating for
