affic problems have severely affected economic development. , we must spare no efforts to solve them.

My little cousin is a (an) boy and he always asks me many strange questions.

he didn’t help me find my lost wallet, I thanked him all the same.

What do you think of the questions in today’s test .– Not very easy . I think it’s really hard to find the answers __________ the questions .

The terrorists might have planted a bomb on a plane in Athens,set to________when it arrived in NewYork.