I have worked harder than before, but I still didn’t get good grades in math.— Don’t worry. .

Where are you going for the coming winter holiday—- I’m not sure. We ________ go to Harbin.

She says that she’ll have to close the shop ________ businessimproves

These teenagers don’t know much of the world yet;that’s why they are so easily_____

The water _____ cool when I jumped into the pool for morning _____