问题: 英语
1. Both Zhang hua and Wu Dong______to the party yesterday.
a. had invited b.was invited c.were invited d. invited
2.Computers used to _____ (use)for counting,but
now they_____(use)in many ways.
3,Stamps are usrd for sending letters对sending
letters提问______ _______ stamps ______for?
解答:
1. C
2. be used, are used
3. What are stamps used for
这些都是被动语态的句子，建议你把不同时态的被动语态的变化在温习一下。
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