As we know, water is very important ______ us. [ ]

Mum, where did you put my sweater?—Is it _____ black one? I put it in _____orange box near your desk.

Martin has been working hard and comes top in the class.— It is his mother’s love that helps him feel good about .

.____me that you choose,so long as you finish the job on time.

Do you know when Jim _________?—I don’t know. As soon as he, I will call you.