I have studied my science test Thursday afternoon.A. at; on B. on; for C. for; on
–Jim is reading a book under that tree. –It be Jim. He has gone to Hainan.
–I’m very sorry to have caused you so much trouble, Mr. Brown. – .
–Will you please tell her about the news? –Sure, I’ll tell her about it as soon as she back.
The TV doesn’t work. I want to have it .
–Please tell us something about Shennongjia. –I’m sorry, but neither Jack nor I there.