Look at these clouds. ______.
#103818
A
It’ll rain
B
It’s going to rain
C
It’ll be raining
D
It is to rain
推荐题目
Yangzhou high school ___________ since 1902. 
#100008
A
has come into existence
B
has been existed
C
has been in existence
D
began to exist
A local radio station said that several eruptions _____ in the past twenty years.
#101916
A
had been taken place
B
took place
C
have taken place
D
had taken place
We________on this project for four hours.Let's have a rest.
#99184
A
are working
B
have been working
C
worked
D
had worked