Come and look after my baby if _______ tomorrow.

          you would have to go away.

It is difficult to judge whether what he said_________.

—These days, he has stayed up late into night in order to get good marks in the following monthly test.
---It’s no ____ that he seems tired and asleep in class every day.

It ______ to be seen who will be the victor in the contest.

--have you ever been to Beijing before?
--No. it is the first time that I ____here.

You may not have played very well today, but at least you’ve got through to the next round and ________.

I feel it is you rather than the girl who_____ for being late for the speech.

It was not until the beginning of the twentieth century________to explore space.

— It shouldn’t take long to clear up after the party if we all volunteer to help. 
— That’s right. __________.