问题描述：
填空 1.There was a big fire in town the o___ day.
2.They'll c____ the ladder.
3.They are going to r____ Shanghai at 10 o' clock.
4.Who'll r____ an errand for me?
5.I can't go fishing with you,I'm b____ now.
2.They'll c____ the ladder.
3.They are going to r____ Shanghai at 10 o' clock.
4.Who'll r____ an errand for me?
5.I can't go fishing with you,I'm b____ now.
问题解答：
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