In the past decades, sea ice _____in the Arctic as a result of global warming.
#102142
A
had melted
B
has been melting
C
melted
D
is melting
推荐题目
– Why does she look so tired?-- She ________ all the morning and she still hasn’t finished it.
#104525
A
cleaned
B
was cleaning
C
has been cleaning
D
has cleaned
---You are late again! We _________you could attend the assembly on time.---Sorry, I __________to my office to get my papers.
#101439
A
think, went
B
thought, have gone
C
think, were going
D
thought, went
--I’m told that you are leaving for Shanghai. ----Who ____ so?
#103971
A
says
B
said
C
has said
D
’s saying
Don’t take his remarks too seriously. He was so sad that I don’t think he really _________ what he was saying.
#99997
A
knew
B
knows
C
was knowing
D
had known
—Why! Where's my passport? Maybe I left it on the plane. --My Goodness! You ____________ things behind.
#104242
A
had never left
B
didn't leave
C
never left
D
haven’t left