----You look pale and upset. ----Yes, my girl friend _____ an online chat with me non-stop until six o’clock this morning.
#104830
A
have been having
B
had had
C
was having
D
am having
推荐题目
Tom is very happy in China during this period because his Chinese ________ every day. 
#99725
A
has improved
B
is improving
C
improved
D
is improved
 —why don’t we choose that road to save time?  —The bridge to it         
#102313
A
is being repaired
B
is repaired
C
has repaired
D
will be repaired
  – Will you go with us to the National Park?--- Well, it _______.
#103683
A
depending
B
depends
C
depends on
D
is depended