In the past few years, sea ice ____ in the Arctic as a result of global warming.
#101821
A
had melted
B
has been melting
C
melted
D
is melting
推荐题目
-Jack is ill in hospital. --Really, I _____ him right now.
#104185
A
will visit
B
am going to visit
C
am to visit
D
am about to visit
Lang Ping, who is said to have started her coaching career in America, ____ volleyball in China for almost twenty years.
#104257
A
played
B
have played
C
was playing
D
had played
—Guess what! We’ll have a chance to visit our sister school in Denmark this summer!—How nice! You ________ a different culture then.
#99306
A
will have experienced
B
have experienced
C
have been experiencing
D
will be experiencing
Mr. Mao, who as a construction worker for over 8 years, is now a distinguished lawyer in this country.
#99929
A
has worked
B
had worked
C
worked
D
has been working
—Did Alan enjoy seeing his old friends yesterday? ? —Yes, he did．He ______ his old friends for a long time．
#102911
A
didn’t see
B
hadn’t seen
C
hasn’t seen
D
wouldn’t see