I hear the birds _______.
#51349
A
sing
B
to sing
C
sings
D
singing
推荐题目
---Mr Wang enjoys ______ jokes and often makes us _______.---So he is. He is also friendly.
#49025
A
to tell ,to laugh
B
tells, laugh
C
telling ,laugh
D
telling,laughing
 ________is wrong  with  my watch .  It’s has stopped _________.
#48615
A
Something ; working
B
Something ; to work
C
Anything ; working
D
Anything ; to work
This river is too wide for the swimmers _________. 
#48977
A
to swim
B
to swim across
C
to swim in
D
swimming