为下列句子选择合适的答语。
（ ）（1） Hello!
（ ）（2） It can walk?.
（ ）（3） What will you do on Monday?
（ ）（4） What’s this?
（ ）（5） Whose pen is it?
| A．I’ll read my books. |
| B．It’s my pen |
| C．Hello! |
| D．It’s a bike. |
E. Yes, it can.
Helen always sends __________ emails to her friends .
A.an B.a C.some
My grandparents often _______ films on Sunday evenings .
A.watchs B.watches C.watch
The _______ girl is my little sister .
A.two B.second C.one
What do you usually do _________ Christmas ?
A.on B.at C.in
It’s time _______ get up , Betty .
A.as B.for C.to