高一英语问题Great changes have takenplace in shanghai in the past

高一英语问题
Great changes have takenplace in shanghai in the past decade.Still __change will take pace in the futrue.
A great B greater C more great D most great
I feel___my duty to do something good for our class.
A this B that C it D what
Do you know___at the bus stop?
A whom they are waiting for B who they are waiting for
The boss punished his employee___they did anything wrong.
A however B whenever C whatever D whichever
Look,__we are waiting for.
A here the train comes B here comes the train
C the train comes here D the train here is coming
The teacher asked all the students to keep their books__while listening to the tape recorder.
A close B to close C closing D closed