以下说法哪个是正确的

You can have the magazine  （）       I finish reading it.

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 ?