---What should we do in order to reduce food waste? ---In a restaurant only order as _______ as we need and try to eat it up.

＿＿＿＿four years since I joined the army. 

 Susan was expecting her favorite singers，but to her disappointment,         appeared   

 — Which do you prefer, coke or juice?   —________ is OK. But water will be better if possible.

--- Can the twins carry the boxes to their bedroom?--- I’m afraid _____ of them can do it. They are too young.