--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
He _____ play the piano since he was young. He is very famous now.
#41795
A
has could
B
has been able to
C
could
D
was able to
There _________ a concert on Qixing Square next Monday evening.
#42339
A
is
B
is going to
C
is going to be
D
will have
-- ____ your mother have big eyes?    --Yes, she ____.
#38593
A
Does, does
B
Are, am
C
Do, do
D
Does, is