老师早上进教室，同学们应对他说：＿＿＿＿。
| A．Hello ! |
| B．How are you ? |
| C．Good morning,sir. |
| D．Good afternoon,sir. |
你怎么跟别人打招呼 ？
| A．How are you ? |
| B．Fine,thanks. |
| C．How is he ? |
| D．Excuse me. |
如果你想介绍给李明给Jenny认识，你会说：＿＿＿＿。
| A．This is Jenny,LiMing. |
| B．This is LiMing,Jenny. |
| C．That is Jenny,LiMing. |
| D．I’m LiMing,Jenny. |
＿＿＿＿ is the weather in December ?
A.WhatB.When C.How
The boy ＿＿＿＿red shorts is the first.
A.on B.in C.at