— Has Wendy handed in her application form?— Not sure. She told me that she wanted to check again and          it in soon.

Excuse me, where __________? Do you know? Yes, I know where ________.

— What do you think of the young lady?— She is hard-working. She ________ all her effort into her work before she got ill. 

 We _____ more than 1,600 words since we began to learn English.

——Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.