In the past decades, sea ice ______ in the Arctic as a result of global warming.
#100763
A
had melted
B
has been melting
C
melted
D
is melting
推荐题目
—Don't always turn to particular patterns time after time in our life.—I agree. We would otherwise________our thinking by rules or common attitude.
#99681
A
inspect
B
limit
C
judge
D
recover
—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
--- Is Tom still smoking?--- No. By next Saturday he _____ for a whole month without smoking a single cigarette.
#100521
A
will go
B
will have gone
C
goes
D
has been going