----How old _________they? ----I don’t know.A.are B.is C.am
A: _______her school bag ? B: It's in the desk .
A: _______ you like _______ bike ? B: Yes, I do.
A: Do you like _______? B: No, I _______.
A: Is that _______ kite? B: Yes, it is.
A: _______ that on the desk ? B: It's a photo.