单项选择 适中0.65 引用1 组卷32
The smoke from that factory ________ serious air pollution. But now we can see the clear blue sky again.
| A．is used to cause | B．used to cause | C．is used to causing | D．used to causing |
23-24八年级下·江苏镇江·期中
类题推荐
My father ________ drive to work, but now he ________ taking the subway.
| A．used to; used to | B．used to; is used to | C．is used to; used to | D．is used to; is used to |
Tom used to _______ in the big city but now he is used to _______ in the countryside.
| A．live; live | B．living; living | C．live; living | D．living; live |
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