Coughing also be used for social reasons, such as the coughing before giving a speech．
A. may
B. should
C. must
D. need
Coughing also be used for social reasons, such as the coughing before giving a speechA.
答案:2 悬赏:40 手机版
解决时间 2021-01-04 14:50
- 提问者网友：藍了天白赴美
- 2021-01-04 07:00
最佳答案
- 五星知识达人网友：归鹤鸣
- 2021-01-04 07:52
(答案→)A. mayB. shouldC. mustD. need解析：可联系答.案.网客服索取。
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- 1楼网友：西风乍起
- 2021-01-04 08:48
就是这个解释
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