—Those scientists invented a robot to care for kids! —It’s not surprising．They ____ wonders all the time．
#103461
A
worked
B
were working
C
work
D
have been working
推荐题目
As she _________the newspaper, Granny _________asleep.
#100868
A
read, was falling
B
was reading, fell
C
was reading, was falling
D
read, fell
—I felt it very difficult to carry on the work all by myself. —I could have helped you, but you _____me to.
#102679
A
hadn’t asked
B
didn’t ask
C
haven’t asked
D
don’t ask
Don’t call him at this time tomorrow, because he _________ a meeting with his teachers.
#99546
A
is having
B
is going to have
C
will be having
D
has been having
—Mr. Harry, we want to hear what you think about the reform being carried out in our school. —OK, I _____ to that.
#101053
A
am coming
B
have come
C
came
D
come
If a computer crashes，you will lose the file you _____ on if you don’t save it early enough.
#103552
A
are working
B
work
C
will work
D
worked