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Some of my friends are interested in science,but none of them can tell_____.
#53699
A
when UFOs will appear next time.
B
why do horses know the way.
C
where was this kind of plant found.
D
how do elephants communicate.
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—Thanks ______ joining the Talk Show!—You're welcome.
#60355
A
by
B
on
C
of
D
for
 Before you leave the classroom, please       the lights.
#60235
A
turn up
B
turn down
C
turn on
D
turn off
Let’s ________ for a walk, shall we?
#53070
A
to go
B
going
C
go
D
gone
— The floor is dirty. Would you please         _?— With pleasure.
#59143
A
mop it up
B
mop up it
C
to mop it up
D
to mop up it
 ---       Lucy practicing playing the piano right now? ---Yes, she         .
#52099
A
Do; do
B
Does; does
C
Is; is
D
Is; does