如果你想知道这是不是办公室,你可以说:A. This is the office.B. Is this the office?
They cows. A. don’t have any B. doesn’t have some C. don’t has any
Tom a dog.A.don’t have B. doesn’t have C. don’t has
What’s lunch?A. on B. in C. For
There a cat and two dogs in the room.A. be B. to be C. Is
What do you do the farm?A. in B. under C. On