1编号：3353题型：单选题测试正确率：87.37%
—I called you at half past nine this morning, but there was no answer. —Oh, sorry, I______ with my cousin in the supermarket.
2编号：3071题型：单选题测试正确率：70.92%
The boy ______ English on the radio when I ______ his door.
3编号：3070题型：单选题测试正确率：60.93%
He ______ his leg when he ______ in a football match.
4编号：3042题型：单选题测试正确率：71.59%
This time yesterday Jack ______ his bike. He ______ TV.
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