they的单数形式是he、she和it。例句：When he speaks, he talks sense.他言之必有理。She said that she couldn’t come.她说她来不了啦。
英 [hi; iː; i; hiː] 美 [hi,iː,i,hiː]
When he speaks, he talks sense.
He didn’t say he had company.
He said he might come tomorrow.
He has claimed he can levitate.
He convinced me he was right.
He can leave anytime he wants.
How he wished he had been there!
英 [ʃi; ʃiː] 美 [ʃi,ʃiː]
She has nobody she can turn to.
She doesn’t work here, does she?
She knew she was close to death.
She was widowed when she was 35.
She said that she couldn’t come.
She let on that she was leaving.
英 [ɪt] 美 [ɪt]
It really isn’t half bad, is it?
I’ve had it. Let’s call it a day.
It sounds a great idea. Go for it !
It works, at least I think it does.
Liz meant it as a joke but it fell flat.
Bring it into the light so I can see it.
It was just a one-off; it won’t happen again.