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
Every possible means ________, but the teacher as well as the students ________ found a solution to the problem yet.
#102485
A
has been tried; hasn’t
B
has tried; haven’t
C
have tried; haven’t
D
have been tried; hasn’t
I can guess you were in a hurry. You _____________ your sweater inside out .
#104283
A
had worn
B
are wearing
C
were having on
D
were dressing
-Have you ever seen Peter recently? --Yes. He__________ me to ask you how you___________ along with your new job these days.
#104031
A
has asked;have been getting
B
asked ;were getting
C
often asks;are getting
D
asked;are getting
The suggestion they all objected to________to be effective finally.
#102737
A
proving
B
prove
C
had proved
D
proved
Although many measures _____, the world’s economy is still going down.
#101985
A
are taken
B
were taken
C
will be taken
D
have been taken