Please be careful _________ your things from now on.
One of the difficulties we have English is how to remember new words and expressions.
―Jenny’s and Jane’s _____coming to my office. Can you help to find the girls?―No problem. They will be here_________.
Although all of the apples _____, none of them _____ good。
Some people waste a lot of food___________ others don’t have enough to eat.
―Who is making so much noise in the garden? ―___________ the children.