I have to see the doctor this afternoon because I ____ a lot lately.
#99964
A
have been coughing
B
had coughed
C
coughed
D
cough
推荐题目
The thief______ when he was stealing a wallet from a woman. 
#104328
A
happenedtonotice
B
wastakenplacetonotice
C
washappenedtobenoticed
D
happenedtobenoticed
---Did you tell Julia about the result?--- Oh, no, I forgot. I____her now.
#102265
A
will be calling
B
will call
C
call
D
am to call