May I take your order, sir-I’d like two _____ ,please.

Was it by cutting down staff _____ she saved the company— No, it was by improving work efficiency.

. Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.

It is no use trying to talk him into studying hard; he can only be by force.

_____ do you go to the zoo with your brother—Three times a month.