It________heavily for 2 weeks and the farmers were very worried.
#99683
A
has been raining 
B
had been raining
C
has rained
D
had been rained
推荐题目
 —Have you graduated from college?—Yes, ________.
#99968
A
I studied French for two years.
B
I have been studying French.
C
I have studied French for two years.
D
I had studied French for two years.
The water will be polluted unless some measures _____.
#103340
A
will be taken
B
are being taken
C
are taken
D
were taken