The water will be polluted unless some measures _____.
#103340
A
will be taken
B
are being taken
C
are taken
D
were taken
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The task _______ by the time you come back.
#102593
A
has been completed
B
will have been completed
C
will complete
D
has completed
The three sisters decided to hold a family party to _______ their parents’ silver wedding.
#101208
A
celebrate
B
memorize
C
congratulate
D
welcome
Wait for a few minutes, your watch____ now.
#103454
A
will be repaired
B
has been repaired
C
is being repaired
D
has repaired
His sister left home in 1998，and ________ since.
#99572
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of