It remains to be seen whether plastic ________ are good to the students though they are popular in big cities．
A.tractorsB.tracklayersC.trackersD.tracks在线课程D
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- 2026-04-24It remains to be seen whether plastic are good to the students though they are popular in big cities
- 2026-04-24At present, a large number of tress around the world．A.are being cut downB.are being cut acrossC.is
- 2026-04-24To my delight, there was my purse, in the back seat of the taxi, the driver couldn’t possibly see it
- 2026-04-24The bell the end of the period rang. our heated discussion．A.indicating,interruptingB.indicated,inte
- 2026-04-24Time will whether I made the right choice or not．A.seeB.sayC.knowD.tell
- 2026-04-24He had meant to tour the deserted temple for fun but he didn’t find fun for doing that．A./; theB./;
- 2026-04-24He saw Naples .A.the first timeB.for the first timeC.firstD.at first
- 2026-04-24The experiment turned out to be a complete failture, wasn't they expected．A.as; beyondB.as; tha