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填空题

A beam of light will not bend round corners unless(make) to do so with the help of a reflecting device

填空题答案仅供参考

题目答案

made

答案解析

暂无解析
举一反三
填空题

he teacher told them since light(travel) faster than sound,lightning(appear) to go before thunder.

填空题答案仅供参考

题目答案

travelsappears

答案解析

暂无解析
填空题

“Have you moved into the new flat? ” “Not yet. The rooms(paint). ”

填空题答案仅供参考

题目答案

are being painted

答案解析

暂无解析