--- What’s the use of this kind of fuel(燃料) ?--- It can make the train __________ fast.
It's hot in Guangzhou but it's _______ in Heilongjiang.
—How's the weather there?—It's _______.
My brother often ____ TV in the evening.He's ____ TV now.
Listen!A boy ______ an English song.
—How is the weather today?—It's ____.