My sister is good at ________.
#49305
A
sing
B
sings
C
singing
D
to sing
推荐题目
Why not_____an English club to practice_____English? 
#51265
A
to join; to speak
B
join; speaking
C
join; to speak
D
to join; speaking
Would you like _____basketball with us tomorrow?
#49590
A
to play
B
to playing
C
play
D
to plays