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
He ______ a book about his adventures in Tibet. I hope he can find a good publisher when it is finished.
#99824
A
was writing
B
wrote
C
has already written
D
is currently writing
—Listen, Lily is playing the piano! —Wow, how sweet the music ______!
#101230
A
is heard
B
hears
C
is sounding
D
sounds
Unless the police can prove to the court that Ted has committed robbery,he______.
#104367
A
will not find guilty
B
will not be found guilty
C
will have found guilty
D
will not have found guilty
North Korea threatens to ________ from six-party talks aimed at ending North Korea's nuclear program unless its proper rights are to be satisfied．
#100685
A
escape
B
flee
C
withdraw
D
retire
(2013·高考湖南卷)If nothing________，the oceans will turn into fish deserts.
#99688
A
does
B
had been done
C
will do
D
is done