英语高手来`

None of them agree to meet again 改为反意疑问句
None of them agree to meet again,[do][they]? （none表否，前否后肯）

The children must close their eyes now 改为同义句
The children[must][keep]their eyes [closed]now

I don't know where we can grow some vegetables
I don't know[where][to][grow]some vegetables

None of them agree to meet again ，don't they?
The children must keep their eyes closed now.
I don't know which places growsome vegetables.

1. do they
2. keep their / closed
3. where to grow

1 don't they?
2 must keep closed
3 where to grow

1.does it?
2.must keep closed
3.where to grow