What do you think of math—- I think it’s useful, so it’s ______ for us to learn it well.

There is little doubt in your mind that he is innocent, ________？

Excuse me, when youthe girl over there—Last year in Beijing. And I herfor about one year.

There must have been something wrong with the society _______ no one offers to help those who are in trouble.

ll the audience ________, the speechbegan.