It is said that the temperature is unusual mainly _______ global warming caused by human activities

The country itself didn’t have enough gas, so the government decided to _______ its gas supplies to other countries.[ ]

Could it be in the restaurant ______ you had dinner with me yesterday _______ you lost your handbag?

I felt bad _________ I talked to a group.

Healthy food should _____some fat, some fibre, a little salt and so on.