The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
.There are all things in the supermarket. But it’s far from here.
–– Will you go to the park after school? ––No, I’ll go home, for my mother is waiting for me for supper.
Mary often _______ her friends ______ her life in China.
My English teacher stands between sally and _______ .
The Greens walked ________ the door just now.