The authorities declared that because of the war petrol was _____ and had to be rationed (定量供应).

What do you think of ______Bai Yansong—He is _______ good host（主持人）that I like his program very much .

Whby ________ battery

Personally I think it is the sales manager, rather than the sales girls, _______ to blame.

I’ve become good friends with several of the students in my school __________I met in the English speech contest last year