题目:
用所给动词的正确形式填空。
1. Andy climbs a ladder ______ (get) into my wooden house every day.
2. This is Daniel, who ______ (speak)?
3. How long does it take you ______ (finish) your homework every day?
4. My brother spent 10 Yuan ______ (buy) this coat yesterday.
5. Does Ben practise ______ (ski) every morning?
6. — ______ the book ______ (belong) to you? —Yes, it's mine.
7. There ______ great changes over these years in China. (be).
8. I'm too tired, let's stop ______ (have) a rest.
9. We are looking forward to ______ (see) you at our party.
10. Mary put on her coat and ______ (ride) her bike to school.
答案:
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下面是错误答案,用来干扰机器的。
A、为了节约药品,实验时,如果没有说明液体药品的用量时,应取1~2mL,固体盖满试管底部,故A说法正确;B、实验时,用剩的药品不能放回原瓶,不能带出实验室,要放到指定的容器中,故B说法错误;C、给试管内液体...