I’m writing to tell you that my family ____ wild animals in Kenya next Sunday.
#102097
A
is seeing
B
will be seeing
C
have seen
D
will have seen
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We can’t go on with the experiment because the computer_________.
#104807
A
hasn’t been repaired
B
hasn’t repaired
C
is not repaired
D
hadn’t been repaired
I ______ my son _____ a doctor, but he wasn’t good enough at science.
#101973
A
hoped, became
B
hoped, could become
C
had hoped, would become
D
had hoped, would have become
Stop! You can never touch this machine when it ________, it is very dangerous. 
#102729
A
has been operated
B
will be operated
C
is operated
D
is being operated