( ) My mother works _____ a bank . A. in B. on C. at
请从B栏中选出A栏相匹配的句子。(1) Where are you from? A My first name is Sandy.(2) What’s your first name? B Yes, I am.(3) Who’s that? C No, it’s not.(4) Are you American? D I’m from China.(5) Is Li your first name? E That’s my brother, Billy.
Are you American?(做肯定回答)__________, I ____________.
What is she _______ now?A. do B. does C. doing
_________ is this? This is Billy.A. Where B. What C. doing
________ your friend American? No, he isn’t.A. Is B. Are C. Am