— Look at the boy playing basketball on the ground. Is it George?
— It ________ be him. He told me he would play basketball after class, but he’s not sure.
| A．mustn’t | B．must | C．can’t | D．may |
--- Are these pens your sister’s?
--- No, _______ aren’t. They are _______ sister’s.
A. they, Lily’s B. they, Lily C. these, Lily
---Excuse me. _______ --- Oh, they are in the tape player.
A. What color are the tapes?
B. Where are the tapes?
C. How are the tapes?
Welcome to my family. _______ my father Jack and my mother Tracy.
A. This isB. He is C. These are
I have a book. _______ book is in the bookcase.
A. A B. An C. The
代表“英国广播公司”的是：____。
| A．CCTV | B．BBC | C．NBA | D．P |