Helen ______ her keys in the office so she had to wait until her husband ______ home. 
#102080
A
has left; comes
B
left; had come
C
had left; came
D
had left; would come
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Tony has to go to school by bus because his bicycle       .
#102619
A
will be repaired
B
is repaired
C
has been repaired
D
is being repaired
------ Kate and Lucy are twins.------ Oh, I ______ why they looked so alike.
#102082
A
wonder
B
have wondered
C
was wondering
D
had wondered
It is demanded that you ____ at six. 
#102746
A
will arrive
B
arrive
C
arrived
D
would arrive