The problem is difficult few students can work it out.
| A．so;that | B．such;that |
| C．too;to | D．enough;to |
Dad,______ my friend,Tom.
| A．he’s | B．this is | C．this’s | D．she’s |
You can call Gina ____ 6828799. That’s ____ telephone number.
| A．at, she | B．in, his | C．at, her | D．on, he |
____ are the baseballs? – They’re green and white.
| A．Where | B．What’s | C．What color | D．How |
Is this your key? - ______
| A．No, it isn’t. | B．It’s a ruler. | C．Yes, it’s. | D．OK. |
____, are you Mr. Green? - Yes.
| A．Please | B．Hello | C．Sorry | D．Excuse me |