It is ______ that we can’t finish it on time.

Guess what! Alice has failed in the exam.—_____ She is second to none in English in our class.

Successful people make a plan to deal with each new problem rather than denying or ______ that it exists.

It’s kind __________ Yao Beina to donate her corneas (眼角膜) _________ three people in need.

I ________ what you said, but I don’t ________ you.