Although medical science control over several diseases,what worries us is that some of them are returning.
A. achieved
B. has achieved
C. will achieve
D. had achieved
Although medical science control over several diseases,what worries us is that some of th
答案:2 悬赏:20 手机版
解决时间 2021-04-08 17:47
- 提问者网友：寂寞梧桐
- 2021-04-08 04:33
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- 五星知识达人网友：怙棘
- 2021-04-08 04:53
A. achieved(答案→)B. has achievedC. will achieveD. had achieved解析：句意：虽然医疗科学已经控制了几种疾病，我们担心的是有些还会回来。从what worries us is that some of them are returning.可知现在强调的是现在的结果，所以用现在完成时，选B.
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- 1楼网友：由着我着迷
- 2021-04-08 05:51
哦，回答的不错
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