It Jack and Mike who often came to help us. [ ] A. is B. was C. are D. were
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It ________Jack and Mike who often came to help us.
[ ]
A. is B. was C. are D. were
试题答案
答案：B
It ________Jack and Mike who often came to help us.
[ ]
A. is B. was C. are D. were
答案：B