—Why are you late,Jim?—Because there________a lot of traffic when I came here.
How kind you are! You always do what you can_________ me.
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.