More new machines will be bought to __________ the old ones.

When such an organized group became too large for its members to travel together comfortably, it would__________.

I’m trying to lose weight because I _______ my figure.

He is a foreigner and he is not accustomed _______like that while he i8 tn China．

Please tell me how the accident_____. I am still in the dark. 

Unlike the fossil fuels of today, biofuels are renewable sources, which mean that they will not ____ easily.

I really don't know how anyone can _____ your constant complaint; no wonder you have lost so many friends.

Can you move the desk a little further, for it            most of the office？