--- Is that your mother’s bike? --- Yes, it’s _______ bike.
A. she’s B. sheC. her
---_______, your key is on the desk over there. ---Thank you.
A. LookB. Look atC. See
---May I have a copybook __ you?
---_______.
A. toB. for .C. on
---It’s nine. Go to bed, Nancy. --- All right. _______, Mum.
A. Good night B. Good morning C. Good evening
---_______ my bag? --- Look, it’s on the bed.
A. What’s B. Whose C. Where’s