Helen ________ her keys in the office so she had to wait until her husband ______ home. 
#101502
A
has left; comes
B
left; had come
C
had left; came
D
had left; would come
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He______to several European counties so far.
#103236
A
was
B
has been
C
had been
D
will be
Thank you for helping me. I       the final exam without your timely help. 
#102591
A
have failed
B
will fail
C
would have failed
D
must have failed
His work was_____by his boss.
#102022
A
high thought
B
high thought of
C
good thought
D
well thought of
He will stop showing off, if no notice _________of him.      
#102491
A
is taken
B
will be taken
C
takes
D
has taken