2. 职称英语
  3. Unless ______ by credit card, please pay in cash.A、payB、is paidC、payingD、paid

Unless ______ by credit card, please pay in cash.A、payB、is paidC、payingD、paid

游客2023-11-18  17
问题 Unless ______ by credit card, please pay in cash.
选项 A、pay
B、is paid
C、paying
D、paid
答案 C
解析 考查状语从句的省略。在unless引导的状语从句中，省略是常见的现象。本题中主句是省略了主语 you的祈使句，因此unless从句的完整结构应为unless you pay by credit card，动词psy与主语是逻辑主谓关系，故省略主语后动词应为现在分词结构。又如：Unless(it is) changed，this bill is likely to be rejected． (除非经过修正，否则这项法案很可能被否决。)
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