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too；to enough；to so；that such；that
What about Why don’t Why not Perhaps
No doubt No problem No time No wonder
took up set up got up stayed up
Maybe I should You can’t afford it You don’t know I can’t tell you
did had done have been doing have done
took up set up got up stayed up
regular common average usual
washing washed to wash washes
a little rather fairly a bit
what he is doing these days; that what’s wrong with him; whether how the matter is with him; that why does he look so tired; if
too much too many much too many too
stop to work to stop to work stop working to stop working
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