句子写作：He is very busy preparing IELTS. He has no time to play.
He is very busy preparing IELTS; therefore , He has no time to play.
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Howmanypartsisanarticleusuallycomposedof?Whatarethey?
Ifanearthquakeoccurred，someoftheone-storeyhouses________.
Whatarethecharacteristicsofgoodwritings?
在医患沟通中患者隐瞒病情可能因为以下哪些原因
Whatarethekeyfeaturesofaresearchpaper?
