| A．good for his teeth | B．bad for his teeth | C．great for his health |
| A．water | B．fruit | C．meat |
| A．kind | B．lot of kinds | C．lots of kinds |
| A．playing football | B．eating fruits | C．eat fruits |
| A．chips | B．cat | C．red |
| A．warm enough |
| B．enough warm |
| C．cold enough |
| D．enough cold |
| A．should | B．shouldn’t | C．needn’t |
| A．less | B．more | C．too much |
| A．during the sleeping time | B．for a long time | C．sometimes |
| A．About 8 hours. | B．More than 12 hours. | C．Less than 10 hours. |
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