There are two main sets of Games — the Winter and the Summer Olympics, and both are held every four years on a _________ basis.­­­­­
#17792
A
valuable
B
former
C
regular
D
swift
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Sometimes the same word has ________ meaning,which can be ________.
#17775
A
different slightly;confused
B
slight different;confusing
C
slightly different;confusing
D
different slight;confused