Поставьте предложения в вопросительной форме 1. we used different apparatus for conducting an experiment. 2. they put a burning match at the top of the flask. 3. the students need some metals and acids for the experiment 4. i went home after the lesson. 5. last year i was a pupil 6. we weighed substances on the scales задайте вопрос к выделенным словам 1. our group conducted an experiment at the last lesson. 2. we mixeddifferent substances at the lesson. 3.the students weighed the substanceson the scales. 4. my friendrecorded the yield of a reaction at the lesson.

aazzziizz    1   19.05.2019 22:10    17