| A．They are under the box. |
| B．They are on the box. |
| C．They are in the box. |
| A．one | B．an | C．a |
| A．information | B．science | C．music |
| A．teacher | B．student | C．heavy |
| A．to | B．for | C．in |
| A．I’m sorry to hear that. | B．Nothing serious. |
| A．good | B．better | C．the best |
| A．sun;in | B．son;in | C．sun;on |
| A．were;was | B．was ;were | C．are ;is |
| A．by | B．at | C．in |
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