If Newton lived today, he would be surprised by what _______ in science and technology.
#103519
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
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--Look! Someone ________ the floor.--Well, it wasn’t me. I went shopping just now.
#100635
A
had swept
B
has swept
C
was sweeping
D
is sweeping
---- What’s that noise? ---- Oh, I forgot to tell you. The new machine ______.
#102011
A
was tested
B
will be tested
C
is being tested
D
has been tested
(2013·高考重庆卷)—It rained cats and dogs this morning.I’ m glad we took an umbrella.—Yeah，we would have got wet all over if we________.
#99716
A
hadn’t
B
haven’t
C
didn’t
D
don’t
—I'm not finished with my dinner yet.—But our friends________for us.
#99187
A
will wait
B
wait
C
have waited
D
are waiting
By the time he arrives in Beijing, we ______ here for two days.
#100865
A
will have stayed
B
will be staying
C
have been staying
D
have stayed