Hi Susan! Can you help me to decide what to buy for Peter’s birthday? — Sure. ______ — Well, Peter loves music, so I thought I would give him a CD.[ ]

Now many young people ________posting articles and photos onto the Wechat (微信) to share with their friends.

Some doctors were sent t?the front where medical workers were ＿＿＿

How many students are there in the classroom ____. They are all in playground.

John opened the door. There _____ he had never seen before.[ ]