( )Xi’an is _______ old city. A. A B. An C. the
---- Can you ________ these exercise-books to the teacher’s office, please. ---- Sure.
Hi, John. ___________ write on the wall. __________ the wall clean.
______________ eat too much candy. It’s bad ___________ your teeth.
情景搭配.
Hello. _____ Nina. Can I speak your mom, please? A. That is ;on B. I am ;for C. This is ;to