单项选择题
Speaker A: Could I get a ride with you to the concert tonight Speaker B: I can’ t go, (). I think she’s leaving around 7: 30.
A. but you might ask Betty B. neither can Betty C. and Betty is going to D. but I don’t know if Betty will go
A. Can I take this seat B. Is this seat taken C. Can I sit here D. Is this seat vacant
A. She did. B. Do you believe the doctor C. Is she right D. I can’t understand her.