We had much difficulty __________ home in the snowstorm.
#92308
A
walked
B
walk
C
walking
D
to walk
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Come and visit me whenever _______.
#93850
A
you are convenient
B
you will be convenient
C
it is convenient for you
D
it will be convenient for you
_______ work did we have to do that we were so exhausted.
#92138
A
Too much
B
So much
C
Too little
D
So little
—Oh, dear! I forgot the air tickets.   —You ______ something.  
#92603
A
have left
B
are always leaving 
C
are leaving
D
always left