Правильно ли сформулирован вопрос which countries there were many trips of exploration by?

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Английский язык: Правильно ли сформулирован вопрос which countries there were many trips of exploration by?

Анастасия133758 · Answer

In which countries were there many exploratory trips?Если вопрос В каких то, вначале нужно использовать in...