单选题
Written applications should be sent to us in case ______ some problems with the electronic version.
A、
there will be
B、
there is
C、
there be
D、
there was
【正确答案】
C
【答案解析】
[解析] in case引导的从句要用虚拟语气，即“should+动词原形”，should可以省略。
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