I don’t think we can find a new day towork out the problem.— But we’d better not .

It’s said that scientists are working hard to ________ a way to deal with H7N9 avian influenza(H7N9禽流感)—Really That’s great!

Jenny, ________ are you taking part in our School Uniform Show —- To learn about different styles of school uniforms.

Not until _______ 18 years old _______ a right to vote

If you are free when you _____, I hope you can come to see me.