Question

1、They saw an octopus in the visitors’ center.（就划线部分提问） —————

____ ____ they ____ in the visitors' center?
2、We went to the aquarium.（改为一般疑问句）
____ you ____ to the aquarium?
3、The monitor cleaned the bus.（改为否定句）
The monitor —— —— the bus.
附上原因

Answer 1

1 What did, see
2 Did, go
3 didn't clean
解析

1.an octopus 在句中作宾语，提问时用what
2。went是过去式，所以助动词用did
3.cleaned是过去式，所以否定时用didn't

Answer 2

分别填：
1 What did, see
2 Did, go
3 didn't clean

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追问

可以附上原因吗？

Answer 3

what did they see in the visitors' center?
2、We went to the aquarium.（改为一般疑问句）
Did you go to the aquarium?
3、The monitor cleaned the bus.（改为否定句）
The monitor didn't clean the bus.

追问

可以附上原因吗？

Answer 4

1、What ,did,see
2Did go
3.didn't clean

Answer 5

1.What did see
2.Did go
3.didn't clean

Answer 6

1、What did see
2、Did go
3、didn't clean