题目内容
17．How often does the boy go to his hometown？A．Twice a month．B．Twice a year．C．Once a year．
分析 略
解答 B
点评 略
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7．Picnic
| Who | teachers，students and （16）略 |
| When | from （17）略to four o'clock p．m． |
| Where | beside （18）略 |
| How to go | （19）略 |
| What to take | girls：fruit and vegetables boys：meat，（20）略 |