The children ＿＿＿＿＿＿ very quiet； I wonder what they ＿＿＿＿up to.
#104649
A
were； are being
B
are being； are
C
are； do
D
are being； do
推荐题目
We human beings experience a great liberalization and open-mindedness, which is ______ in our daily attitude to the disabled, olds, females, especially homosexual populations.
#99880
A
distinguished
B
mirrored
C
declared
D
substituted
I have to see the doctor this afternoon because I ____ a lot lately.
#99964
A
have been coughing
B
had coughed
C
coughed
D
cough
Turn on CCTV news and we ________how happy our life is. But there is no denying that over the past decades, the cost of living ________ sharply.
#100307
A
are seeing; had increased
B
will see；has been increasing
C
see; increased
D
have seen; is increasing
–Hi, Tom, You look tired. --Yes, I _____________ the room all the afternoon.
#102380
A
painted
B
had painted
C
have painted
D
have been painting