代表“英国广播公司”的是：____。
A. CCTV B. BBC C. NBA D. P
_________. Is this your pen?
A. Sorry B. Hello C. Hi D. Excuse me
Thank you _____ your help.
A. to B. of C. for D. in
This is ______ ruler and that’s ______ eraser.
A. a; a B. a; an C. an; a D. an; an
当你早上遇见老师的时候，你应该说________。
A. Good morning. B. Excuse me.
C. Sorry. D. Thank you.
Please call Mary __________ 245—6218.
A．at B．for C．in D．of
