You have got a pet, haven't got you?
Ответ:
a) before
Объяснение:
"Нам лучше вернуться домой, прежде чем стемнеет/до наступления темноты."
- Before употребляется, если нужно сделать что-то до определенного момента времени, то есть когда этот момент наступит, действие уже должно быть завершено.
- Until используется, если речь идет о длительном действии до определенного момента времени (это не наш случай).
- When вообще искажает смысл: с ним получается, что домой надо вернуться <u>после</u> наступления темноты
<span>6) You could have notified me in time that you would not come.
7) He might have not found the address, and therefore has not yet written to you.
8) Wait for me, if I am not here at seven. I can be late for a few minutes.
9) You might not have wanted to offend him, but in fact you did. He must not have understood you properly.
10) Apparently, you might not have been careful enough. Nobody might have warned you that it could happen<span>.</span></span>
1.rang, was sleeping
2.saw, were driving
3.fell, was learning
4.sunbathed, were playing
5.wasn't, took
6.wasn't listening, talked
7.were eating, came
8.walked, was checking
9.was reading, went down
10.were watching, called
He repairing the ceiling for the whole morning.