.---- What’s your tomorrow’s speech______?----Nuclear pollut

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.---- What’s your tomorrow’s speech______?----Nuclear pollution,a hot topic.
A.at B.on C.in D.for
说明理由

B. on :关于
全句译为：
你明天是做（关于）什么的演讲?核污染,一个热门话题
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.---- What’s your tomorrow’s speech______?----Nuclear pollut 求英语作文What’s+your+dream+car?+And+what+do+you+think+tomorrow’s what's your plan for tomorrow?We will visit the museum and s what's your mother's what's your mother's ( ) What's your name? what’s your WHAT'S YOUR AGE? what's your mother? what's your speech what s your favourite What’s your d（