DFDR记录多长时间的参数？

The teacher spoke loudly    （）    the students could hear him clearly.

We won＇t give up  （）      we should fail ten times.

It worried her a bit      （）           her hair was turning gray.

   （）    we can’t get seems better than         （）        we have.

What a pity    （）             is      （）           you didn’t arrive by daylight

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 （）            .