In the past few months, a discussion ________about whether selecting “Three Goods” Students in elementary and middle schools should be cancelled.
A．has to be heldB．has been heldC．has been holdingD．was held
B
考查時(shí)態(tài)。根據(jù)時(shí)間狀語In the past few months,在過去的幾個(gè)月，可知用現(xiàn)在完成時(shí)，a discussion討論與hold之間為被動關(guān)系，故選B。
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