题文
Can you imagine what the world will be like in ________ time?
| A．30 years’ | B．30 year’s | C．30-years | D．30-year’s |
Can you imagine what the world will be like in ________ time?
| A．30 years’ | B．30 year’s | C．30-years | D．30-year’s |
试题篮
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