Is this a teacher’s desk?肯定回答应说: A.No, it isn’t B.Yes, it’s C.Yes, it is
( )It’s time to_____ a new beginning. A. start B. starting C. starts
( )What did you_____ on the earth? A. buy B. buying C. bought
( )They _____going to different schools. A. is B. are C. do
( )I _____the name of a friend. A. write B. writing C. am write
( )There is _____ big bird in the tree. A. a B. an C. the