-Dad, may I watch TV?-No, you can’t. You _______ finish your homework first.A. must B. can C. may
—Who’s that boy reading in the study ? Is it David? —It __________ be David. I saw him go home just now.
—What ______ you? —I’m _______ of being left alone in the house.
— What in Yuyao Ningbo this time yesterday ? —I hear it was raining heavily and soon there was a big flood there.
—Mum,I watch TV now ? —No, you finish your homework first.
– Your English teacher is so popular with students. -- You are right! Jennifer’s nice to us all. She’s _____ a teacher _____ a friend for us.