When electric cars become ______ , we’ll need to build more charging stations.

He’s already left here. You ____ have come here half an hour earlier.

The settlement is home to nearly 1,000 people, many of __ left their village homes for a better life in the city

It was sad to me that they, so poor themselves, ________ bring me food.

287. The thief drove as fast as he could inan effort tothe pursuing police car.