—Hi, Jack! When did you arrive in Berlin?—Last weekend .I         a different culture since then.
#101417
A
was experiencing
B
will be experiencing
C
have been experiencing
D
had been experiencing
推荐题目
---How is your mother doing? Is she ________? --Oh, thank you. As a matter of fact, she _______. 
#102419
A
looking up; has recovered
B
picking up; is already back on her feet
C
picking out; is well again
D
taking up; has already been back on her feet
At this time tomorrow ______ over the Atlantic.
#103169
A
we’re going to flying
B
we’ll be flying
C
we’ll fly
D
we’re to fly
 His sister left home in 1998,and ________ since.
#99572
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
--Why has he been staying at home these days?  --He ___________ since a month ago.
#104803
A
has been out of work
B
was out of work
C
has lost his work
D
had left from his work