问题：
[填空题]同时性指两个或多个事件在同一_________发生，并发性指两个或多个事件在同一_________发生。
参考答案：
时刻，时间间隔
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- ● Which ________ do you prefer, coffee or orange juice?
- ● Table______ of tone or wood.
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- ● I am wondering if they are ____ or____.
- ● _________ in a peron’ peech or writing uually range on a continuum from caual or colloquial to formal or polite according to the type of communicative ituation.
- ● __________ i the act performed by or reulting from aying omething; it i the conequence of, or the change brought about by the utterance.
