The meeting was expected to start at 9 o'clock but the manager didn't turn up ______ twenty minutes later.
#5014
A
before
B
until
C
after
D
since
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Wouldn’t it be for you to pick me up at four o’clock and take me to the airport.
#4931
A
free
B
vacant
C
handy
D
convenient
.. His physical disability makes _____ rather difficult for him to find a good job.
#4751
A
him
B
that
C
this
D
it
—Do you think_____ worthwhile to go all the way to Los Angles to buy that computer?—Well ,I’m going to visit some relatives, too.
#4853
A
it
B
/
C
this
D
that
______ students up to 2, 000 , the school has built another laboratory．
#4643
A
As
B
For
C
with
D
Since
Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.
#4678
A
producing
B
having been produced
C
to be produced
D
produced