从下列方框内选择合适的短语，并用其正确形式完成下列句子。make a decis
题型：填空题
问题：
| 从下列方框内选择合适的短语，并用其正确形式完成下列句子。 | |
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| 1. At school you should all of your classmates. 2. The old man has no children, so he always and unhappy. 3. You must about whether to take part in the match at once. 4. I my paper already. The questions are very easy. 5. The teacher asked us ________ playing computer games. |