— It ’ s a warm day, isn —’ Yes, t it? it ’ s __________ cold. I just wear a jacket.
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His backache is only _________ for not watering the flowers.
Youshouldtrytowrite__________evenwhenyou’rebusy.Asyouknow,practicemakesperfect.
I don't know_________.
An A4 sized panel ( 太阳能板 ) put onto the back of a jacket costs __________ US$15. It could __________ a cellphone during a summer walk.