You must have waited here for a long time, __________?
#93616
A
mustn’t you
B
needn’t you
C
didn’t you
D
haven’t you
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The ____ is that the new machine will arrive tomorrow.
#94971
A
chance
B
luck
C
happening
D
accident
 Ten minutes has been made full _______ of ________ the problem.
#92729
A
using ; studying
B
use ; to study
C
to use ; to study
D
use ; studying
----Doesn’t she work here ? ----________.
#94930
A
No, already two months since she stopped to work here .
B
Yes,it was two months ago that she stopped working here.
C
Yes, I had thought you already know that .
D
No,it’s almost two months since she worked here.