The medicine has begun to ___A．have its workB．take its workC．do its workD．show i
题型：不详难度：来源：
The medicine has begun to ___| A．have its work | B．take its work | C．do its work | D．show its work |
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答案
| C |
解析
| do its work是固定搭配，意思是：发生效力,起作用。 |
举一反三
How long has your brother ___ the army?| A．joined | B．taken part in | C．been | D．served in |
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The room wants ___.| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
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Our study group is ___ three girls and two boys.| A．made of | B．made from | C．made in | D．made up of |
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Years of hard work ___ his character.| A．built | B．increased | C．raised | D．made |
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The teacher ___ the students not to ___ quickly when answering questions.| A．told, say | B．said, talk | C．asked, speak | D．spoke to, tell |
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