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问题: 两道改错

You (should)(try) (to) (funnier)
_______

Please (find) (when) the train (will) (leave)
________

解答:

You (should)(try) (to) be (funnier)
_______ try to do sth

Please (find) out (when) the train (will) (leave)
________ find out 弄明白 弄清楚