By the end of the last month, I _____________ all the CDs of Justin Bieber.
#41903
A
collect
B
collected
C
have collected
D
had collected
推荐题目
---_____ you ever _____ to Nanjing? ---Yes, I _____ there last year.
#40275
A
Have; gone; have gone
B
Have; been; went
C
Will; go; went
D
Did; go; have been
He told me that he ______ never ______ such a good film before. 
#37337
A
had, seen
B
have, seen
C
was, seen
D
would, seen
Mr. Fan ___ this watch in 2005. he ____ it for 6 years. 
#42094
A
bought, has had
B
bought, has
C
has bought, has had
D
has bought, had
After I ______ my homework, I went out to an aquarium.
#41860
A
was doing
B
did
C
does
D
would do