How the fire in the dancing hall started _________ a mystery.
#100979
A
to remain
B
remains
C
is remaining
D
is remained
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By the time she ________ tomorrow, the work ________.
#103599
A
arrives ; will be finished
B
arrives ; will have been finished
C
will arrive ; will have been finished
D
arrives ; will have finished
No judgement ________ about the case until all the evidences have been carefully checked.
#99799
A
will be made
B
is made
C
is being made
D
has been mad
—Happy Birthday, Ken! Did you invite Jason?—Yes, but he _____ a meeting in New York otherwise he wouldn’t be absent from my birthday party．
#102764
A
is attending
B
has attended
C
was attending
D
attended
—Someone has tidied the sitting room!—Jim __ it this morning; he couldn't bear the mess any more．
#100962
A
has done
B
would do
C
had done
D
did
As we all know, the problems of environmental pollution facing us today are far from ____.
#104579
A
solving
B
being solved
C
having solved
D
solved