They … for 20 minutes when his mother came in.

Варианты ответов:

• 1. talked
• 2. were talking
• 3. had been talking

Другие вопросы из тестов

• What day suits you?
• Now I … for a taxi.
• I … for you for more than one hour.
• Is there a car park?
• She … her work already.
• She’s a very … person – she likes to be on time.
• How about a cup of tea?
• His grandfather … from his job a year ago.
• What time … it …?
• The room looks very clean … you … it?