1、Theysawanoctopusinthevisitors’center.（就划线部分提问）—————theyinthevisitors'center?2、Wewenttotheaquarium.（改为一般疑问句）youtotheaquarium?3、Themonitorcleanedthe

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