nung 10 tấn đá vôi caco3 thu được 4800kg vôi sống . tính hiệu suất của phản ứng nung đá vôi

1/ this time tomorrow/ English/ They/ will/ be learning

=> They will be learning English this time tomorrow.

2/ doesn't like/ ice-skating/ because/ my brother/ dangerous/ he/ it is/ thinks

=> My brother doesn't like ice - skating because he thinks it is dangerous .

3/ people/ until/ flying cars/ won't/ yoar 2050

=> People won't flying cars until your 2050                           cho mik xin like . iu m.n 

có đúng ko vậy ghi ghi lắm nha