— Mrs Green , this is your ID card .

— Thanks .

A. Here you are . B. How are you ? C. Let’s go . D. Are you sure ?

---Can you come to my party on Saturday afternoon?

---       .I’ll have to help my parents.

A．Sorry, I can’t.                         B．Yes, I’d love to.

C．Let’s go.                             D．No, I don’t think so.

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

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

A. I hope so        B. I’d like to             C. Let's go         D. It's a pleasure

---Will you please have dinner with me tonight?

---         . I’ll have something more important to do.

A．Sorry, I can’t

B．Yes, I’d like to.

C．Let’s go

D．No, I don’t think so.

---Why can’t I park my bike here ?  ----_______________.

A. Great!　　    B. Oh, I see.　　    C. Let’s go.       D. Look at the sign!