What do you think of the new bridge —I have never seen _____ before.

Some of the students are nearsighted______they spend too much time watching TV or playing online games.

I think it will be long ______ theinfluence of Sanlu Milk Powder incident dies down

Why are you so angry with your brother—I _____ for the math test since I got up, but he is always interrupting me by askingquestions.

Why was she unhappy yesterday ?— A call from home ______ an attack of homesickness.