找出错误并改正。 (____) 1. —Whose T-shirt are it?—It’s mine. ____________ A B C (____) 2. Thank you foryou help, Jim. ____________ A B C (____) 3. —Whosebooks are these? —It’s mine. ____________ A B C (____) 4. Ona fewseconds, the room is tidy. ____________ A B C