by the advances in technology, many farmers haveset up wind farms on their land.

下列各句中，表达得体的一句是

Canada is a country ________ many differentnationalities as well as one with foreign immigrants __________ the majority ofits population.

What do you think of _______teacher –She’s very kind. She can teach ______English well.

It’s hot here. Why not ________ your coat—OK.