问题
选择题
To keep away from germs, we must not spit ______.
A. in danger B. in need C. in public
答案
C
句意：为了远离细菌，我们禁止吐痰。A在危险中；B在危急中;C在公共场合。C项符合句意。
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To keep away from germs, we must not spit ______.
A. in danger B. in need C. in public
C
句意：为了远离细菌，我们禁止吐痰。A在危险中；B在危急中;C在公共场合。C项符合句意。