—Let’s go dancing tonight.!—Sorry, I ________.I have to go to my guitar lesson. A. mustn’t B. needn’t C. can’t
— Do you know _____old lady in blue? ---Yes, she is a teacher of _____university in Beijing.
--Hi,Bob.Longtimenosee.____?--I'vejustboughtanewcar.It'sgreat.
Maria’s teacher wanted to know______ .
— Hi, Jack. What’s that on the desk? — Oh, it’s the new backpack my mom gave me for my birthday.
— ______do millions of online users visit the home page of the government for? — To read the news and search for the information they need.