-Must I take part in the activity?-No, you _________.A. mustn’t B. don’t C. don’t have to
He often talks ______ but does ______. People like him.
On ______ sides of the streets are a lot of colorful flowers.
—— Do you think there will be robots in school?—— .
There ______ a basketball match between Class One and Class Three this afternoon.
—Where is from?—is from Canada. A. I, His B. he, He C. you, He