Why do you call him Mr.Knowledgeable?— Because he knows almost everythingwe want to know.
Why did you leave without a word of warning to John? ——But what_____________otherwise? He never listens to me.
The terrorists(恐怖分子)in Xinjiang ______ last month.
did you go to the cinema to see 3D Titannic last night? —- No, I ________ go to the cinema . The tickets are too expensive
The box is ____ heavy for me to carry. Can you help me? ——- Certainly.