There ______ a number of students in our school. The number of the students ______ more than 7000.
--- How is your grandma?--- She’s fine. She used to _____ TV at home after supper. But now she is used to _____ out for a walk.
If you don’t know the new words, you can look ______ in the dictionary.
______we take exercise, _____ we will be.
-Must I finish all the homework this evening?-No, you __________. Tomorrow is Saturday, and you have enough time for it.
We teenagers shouldn’t just ________ our looks.We should develop our abilities.