作业帮What's in the reading room?There （） a computer,twenty desks in it.括号内应该填单数还是复数
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What's in the reading room?There （） a computer,twenty desks in it.括号内应该填单数还是复数
What's in the reading room?There （） a computer,twenty desks in it.
括号内应该填单数还是复数
What's in the reading room?There （） a computer,twenty desks in it.括号内应该填单数还是复数
is 就近原则
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