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
A new library downtown. They hope to complete it by the end of this year.
#100407
A
is being built
B
has been built
C
will be built
D
is building
. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
Car rental agencies _______ a boom in business ever since new restrictions made it harder for people to buy an automobile in the capital.
#100686
A
has enjoyed
B
have been enjoying
C
are enjoying
D
enjoyed
