Question

【题目】Among the biggest problems facing those remote mountainous villages __________the lack of experienced teachers.

A. is B. are

C. is there D. are there

Answer 1

【答案】A

【解析】考查完全倒装和主谓一致。句意：这些偏远山区村庄面临的最大问题之一是有经验老师的缺乏。此句是完全倒装，the lack是句子的主语，一般现在时态，故答案为A。