uy,考了too... to...太...以致不能...has ,第三人称单数.is playing,由说话的look不难推出动作正在发生.is arriving.用现在进行时表将要发生的事.foreigners.复数,外国人不只一个.take..前面有need作情态动词.用动词原型.writing.keep doing sth.took 问谁做了这事,明显已经发生了.]
uy,考了too... to...太...以致不能...has ,第三人称单数.is playing,由说话的look不难推出动作正在发生.is arriving.用现在进行时表将要发生的事.foreigners.复数,外国人不只一个.take..前面有need作情态动词.用动词原型.writing.keep doing sth.took 问谁做了这事,明显已经发生了.]