飞行阶段的计算由哪部计算机完成

It＇s well known   （）            the earth moves round the sun.

I couldn＇t agree with    （）         at the meeting.

It depends on          （）     we have enough time.

I am not quite sure     （）      he will come or not ?

Nobody but Jim and his uncle （）            .

Can you tell me when     （）       back ?

Could you tell me        （）   you have bought this fur coat?

I wonder how much   （）        .

The reason why he was late was   （）        he had taken a wrong bus.

The truth is      （）   he doesn＇t work hard enough.