1编号：2731题型：单选题测试正确率：0%
The people's Republic of China was founded ＿＿＿ 1949.
2编号：2730题型：单选题测试正确率：0%
We had our breakfast ＿＿＿ a quarter ＿＿＿ seven.
3编号：2729题型：单选题测试正确率：0%
My brother joined the army ＿＿＿。
4编号：2728题型：单选题测试正确率：0%
- Please remember to come to my birthday party.? - I see. I'll come ＿＿＿ Saturday evening.
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