--- An ant has two stomachs --- one for itself, one for others.--- Really? Quite interesting. I ____ anything about it.
#103271
A
don’t know
B
have known
C
haven’t known
D
didn’t know
推荐题目
The country life he was used to________greatly since 2002.
#99163
A
change
B
has changed
C
changing
D
have changed
Being a teacher always encouraging students to think for themselves, I won't tell them answers until they __________ on a math problem for more than an hour.
#101395
A
have worked
B
will have worked
C
will have been working
D
had worked
—Time . It’s likely that we’ll miss the deadline. —Don’t worry. We have already got through 80% of the job.
#103219
A
is running out
B
has run out
C
is being running out
D
has been run out
-Have you got your test result? -Not yet. The papers _____.
#104685
A
are still being corrected
B
are not correcting
C
have already been corrected
D
have not corrected
In fact, more and more people ____ to live a greener, healthier and more environmentally “green life”.
#104261
A
chose
B
choose
C
are choosing
D
have chosen