| A．Help! | B．No! | C．Monster! |
| A．Do you often read stories? | B．Did you read stories? |
| C．Does he read stories? |
| A．What will you eat? | B．What did you eat? |
| C．What are you eating? |
| A．How long is the Great Wall? | B．How old is the Great Wall? |
| C．How is the Great Wall? |
| A．Yes, I have. | B．No, I don't. |
| C．No, I haven't. |
| A．Go! It's green. | B．Go straight on. |
| C．Stop! Don't cross! |
| A．This computer is beautiful. | B．This computer is good. | C．Let's buy a computer! |
| A．I reading the book now. |
| B．I am reading the book now. |
| C．I read the book now. |
| A．What are you doing last week? |
| B．What do you do last week? |
| C．What did you do last week? |
| A．I send you a birthday card yesterday. |
| B．I am sending you a birthday card yesterday. |
| C．I sent you a birthday card yesterday. |
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