David’s dream in China is to go into the west and __________ an early childhood school there.

I hear you have got an opportunity _________ at the children’s hospital.— Yes, I love children andit will be a good experience for me.

“______ did it start” “About two days ago. ”

The workers finished mending the road ____this month.

I don’t think the number of people _______ this happens is very large.