10. ____ ! There is a train coming.
There is a(n) ________ of 200 yuan for the person who returns the lost necklace to its owner.
—Is Jack on duty today?—It________ be him. It’s his turn tomorrow.
II.单项选择 15%从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。—Would you like to travel this summer?—________, but if I’m admitted to a university I’ll have to go to the campus instead.A. I couldn’t agree more B. I’d like to C. With pleasure D. I’ve no idea
35. Do you know who ________ using water in this way?
34 He tried his best to solve the problem, _______ difficult it was.