看图，选择合适的选项补全对话。(30分)
A：Excuse me，Miss Liu.⑴______
B：It's twelve o'clock.
A: Oh，twelve o'clock！⑵______
Goodbye!
B：⑶______
A．Byebye!
B．What time is it?
C．Thank you.
How ____ they feel now ?
A.are B. can C. do
The cat is ____ a mouse now .
chasing B. chase C.chases
His father is a police _____.
A.poseman B. office C. officer
How many ____ are there ?
A.mouse B.mouses C. mice