Question

---Why haven’t you asked her to come here?
---She _______ an important experiment when I found her and she _____ it.

A．had done; didn’t finish

B．was doing; hasn’t finished

C．did; wouldn’t finish

D．has done; hadn’t finished

Answer 1

B

你為什么沒讓她來這里呢？ 可以判斷她沒有來。她還在做實(shí)驗(yàn) 所以她還做完實(shí)驗(yàn)， she hasn’t finished it. 對(duì)現(xiàn)在產(chǎn)生了影響，而且還沒有完成，所以用現(xiàn)在完成時(shí)。當(dāng)我找到她的時(shí)候，她在做實(shí)驗(yàn)。過去進(jìn)行時(shí)的概念。