With your brother’s help, I’ve made great progress in English and I really want to do something for him ____

Limited natural resources should be made full use of ________ the ________ need of energy.

This is the most interesting book _____I have everread.

don’t understand how you should spend so much money in only one month. Please ________ each sum of the money you spent to me.[ ]

With the help of some students, I have found the _____ to the problem that we are short of seats for so many people.