I hear the birds _______.
#51349
A
sing
B
to sing
C
sings
D
singing
推荐题目
__________ English well, one must have a lot of practice.
#48728
A
Speak
B
Speaking
C
To speak
D
Speaks
I like ________ the news.
#49180
A
watch
B
look
C
watching
D
to look
My father enjoys ____ very much. He often practises _____ in summer.
#49867
A
to swim; swimming
B
swimming; swimming
C
to swim; to swim
D
swimming; to swim