If the temperature is below 0oC, water will turn into __________ in the open air.( )
A.iceB.steamC.fogD.rain
At this time yesterday, I ________ a science exam here.
take
was taking
am taking
will take
John is waiting for me. We ________ to the bookstore together.
went
have gone
will go
were going
—Do I have to hand in my report now?
—Of course, you ________. We’re going to discuss it.
can
can’t
must
mustn’t
________ you can use your dictionary, you will learn English better.
If
Unless
Though
Before
—Michael, ________ this shirt.
—Oh, it looks nice on me!
try on
put down
take off
throw away