Four dollars a pair? I think it’s a bit too much.— If you buy three pairs, the price for each will _______ to three fifty.

Dear students, please read every sentence carefully. ______ you are, ________ mistakes you’ll make.

The Nobel Prize in Literature 2012 was awarded to Mo Yan, famous Chinese writer. And he is first Chinese to win the prize.

It is_______ he often fails in exam_______ makes his parents worried about him.

The man ______ a pair of glasses on his nose is my physics teacher.[ ]