—_____ and see a film this afternoon?—That’s a good idea.
﹣Let’s play soccer. ﹣Good idea! Do you have __________ soccer ball? A.a B.an C.不填
The boy is so quiet. How did you make him _________?
good the weather is! Shall we go for a walk?
---How many apples are there in your bag? ---___________
My father has worked there ___________.