______ is the price of your computer —4800 yuan .

Would you like ____ basketball with us— I’d love to, but I feel like ____ something first.

Is air the lightest thing in the world?– Not .Scientists from Zhejiang University have just developed the world’s lightestmaterial.

k shows have covered every inch ofspace on daytime television . And everyone , who watches them _____ , knowsthat each one is different in style .

Why didn’t you answer my telephone yesterday—Sorry. I a bath at that time.