—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
Now that she is out of job, Lucy ___ going back to school, but she hasn’t decided yet.
#100740
A
had considered
B
has been considering
C
considered
D
is going to consider
–Ann is in hospital. ---Oh, really? I _____ know ,I ____ go and visit her.
#103116
A
didn’t ;am going to
B
don’t ;would
C
don’t; will
D
didn’t ;will
-What are you busy with ? -The conference _______ in our city next week. 
#103391
A
held
B
will be held
C
be holding
D
to be held
Land animals are believed ______ from sea animals.
#103259
A
to have developed
B
to have been developed
C
having developed
D
having been developed