We were discussing______this new computer.A、how to useB、how useC、to use howD、

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问题 We were discussing______this new computer.

选项 A、how to use
B、how use
C、to use how
D、how use to

答案 A

解析 how/where/when/what/which+to+动词原形是常用词组,须牢记。
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