| A．Who’s that man? | B．Who’s that boy? | C．Who’s that girl? |
| A．I'm OK. | B．Thank you. | C．Hi. |
| A．When do you go to the library? |
| B．How do you go to the library? |
| C．How often do you go to the library? |
| A．You have to play sports for exercise. |
| B．You can watch more sports for exercise. |
| C．You can watch TV for exercise. |
| A．We need one minute of exercise a day. |
| B．We need an hour of exercise a day. |
| C．We need 60 seconds of exercise a day. |
| A．Excuse me. Where is the museum? |
| B．Sorry. Where is the museum? |
| A．I'll take it. | B．I'll show you. |
| A．How much are those pens? |
| B．How much are these pens? |
| A．I don't like apples or oranges. |
| B．I don't like apples and oranges. |
| A．Look! This boy is dancing. |
| B．Look! That boy is singing. |
搜索
