Who _________________ to borrow some books—Lily ___________.

(2013·新课标全国卷Ⅰ)Try not to cough more than you can ________ since it may cause problems to your lungs

ight, there was a food accident The_______ were ill, but no _______ were lost

The writerher children so that she could concentrate on her writing, because they are too noisy．

I think it’s well worth ______ our best to learn a second language well.