My son is only 12 years old, but he is ________ in our family. He grows so fast.
The teacher told us that it was a good habit ___ in every class .
— What did you do on April Fool’s Day?— I played a trick my brother.
After a 3-week winter vacation, students usually some weight when they return to school.
I have _____the English club for five years.
— I wonder ___________.I'm afraid we'll be late.