---Must we finish our homework in the classroom now?

---No, you _______．

---She has tried many kinds of medicine.

---But ______ has any effect on her disease.

---I'm going out tonight.

---Well, I'd rather you ______.

---I had a chance to be sent to Africa to attend a meeting on the environment protection．

---Well, would you please tell me about your ______ there?

---______?

---Nothing serious, but a bit tired．

---What are you mailing, Ryan?

---A textbook ______ a new method of teaching physics．I want my friends to take a look at it．

---Each of the students, working hard at his or her lessons, ______ to go to college．

---So do I．

---I would like ______ it．

---So would I, but we arrived too late．

--- We need a person badly to be in charge of this design．

--- ________ the newcomer have a try?