—Have a good time during the vacation!   —_____.

A. Let’s go             B. Thanks a lot         C. You’re welcome

--- Why not go out and have a picnic tomorrow, Simon?

---_____ . but I will help Li Ming with his lessons. He is new here.  

A.Let’s go    B. All right    C. Yes, please  D. I’d love to

---Why not come and join us in the game, Linda?

--- ______, but I have something to discuss with Mr. Smith at his office now.

A. Let's go    B. I'd like to         C. Yes, please     D. It's a pleasure

---Why not come and join us in the game, Linda?

--- __________, but I have something to discuss with Mr Smith at his office now.

A. Let's go　 B. I'd like to　　　　 C. Yes, please　　　 D. It's a pleasure