Одинаковое число атомов углерода содержит
А)этиленгликоль и глицерин
Б)этанол и ацетальдегид
В)фенол и бензальдегид
Г)этилен и бутан

2    Make questions. Start with the words in brackets.

1.    We were making a campfire when Tom came. (When)
2.    Our teacher was telling us about Africa when the bell rang. (What)
3.    Friends were eating pizza at three o'clock. (Who)
4.    My granny was sitting in the park when it got dark. (Where)