They enjoyed fresh watermelon last fall because they______ watermelon seeds in the spring. 
#87818
A
were planting
B
would plant
C
have planted
D
had planted
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I _____ you somewhere before , but your name has escaped me _____ moment . 
#90395
A
must see ; for a moment
B
must have seen ; for a moment
C
must see ; for the moment
D
must have seen ; for the moment
I suggest that he _____, or else he could make things worse.
#86817
A
calm down
B
calms down
C
will calm down
D
calming down