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

Clever marketing and hard work ________ —— the company’s profit hit a million dollars.

What is Kitty doing the day after tomorrow–_________.

Owing to the economic crisis, Mr Green has been ________ for several months[ ]

These two kinds of cell phones differ ________ shape, but they are similar ________ each other in some functions.