--Where have you _______ all day?--- I came back at noon and I _______ in this office since then.
#39754
A
been in; had been
B
been in; was
C
been; have been
D
been; am
推荐题目
The bridge _____ by the farmers themselves in 1982.
#37285
A
built
B
was built
C
build
D
was build
—You ______ this new i—pad yesterday, right?—No. I ______ it for a month. It works well, I think.
#36142
A
have had, had
B
bought, have bought
C
bought, have had
D
had, have bought
We will go for a picnic if it_____ this weekend. 
#36947
A
will rain
B
rains
C
won ’ t rain
D
doesn’t rain
I_______ the piano for two years.
#42634
A
have bought
B
will buy
C
am buying
D
have had