改错:He doubed they finished the job ,didn't they?改错:1.He doubed they finished the job ,didn't they?a.doubed b.finished c.didn't d.they2.I have learned of the lecture about when to plant wheat.a.learned b.of c.when d.to plant3.The famers mu

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改错:He doubed they finished the job ,didn't they?
改错:
1.He doubed they finished the job ,didn't they?
a.doubed b.finished c.didn't d.they
2.I have learned of the lecture about when to plant wheat.
a.learned b.of c.when d.to plant
3.The famers must be sure that no birds and animals hurt the plants.
a.sure b.and c.hurt d.plants
4.They can have blue roses easy with modern technology.
a.can b.roses c.easy d.with

1.d 应该是he
2.b 应该删掉of
3.b 应该是or
4.c 应该是easily