跟别人说再见时,应说:A.Hello! I’m Sam. B.Good bye.
( )Our classroom is _____________ the second floor. A. in B. on C. near
( )_____________ this a library? A. is B. Is C. Are
( )What time is it? _____________ A. It’s 7 o’clock. B. Time for P.E. C. It’s time for lunch.
( )_____________ is my brown jacket ? It is on the chair. A. What B. How C. Where
( )Is this a teacher's desk? Yes, _____________. A. he is B. it is C. she is