—Are these seats available?—Sorry, sir. The seats ________.
#99452
A
have reserved
B
are reserved
C
reserved
D
are reserving
推荐题目
---You’re trembling. What’s happened?---- I ______ outside in the cold for over an hour waiting for a bus.
#100468
A
was standing
B
have been standing
C
stood
D
will stand
I had been working on math for the whole afternoon and the numbers before my eyes.
#102156
A
swim
B
swum
C
swam
D
had swum
How the fire in the dancing hall started _________ a mystery.
#100979
A
to remain
B
remains
C
is remaining
D
is remained
—Do you remember when I first met you? —Of course. I __________ in a small food factory.
#100000
A
worked
B
was working
C
had been working
D
work
With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.
#103075
A
running out
B
to use up
C
run out of
D
using up