Why didn’t you keep your words，Billy—Sorry, dear. But I really forgot where I was ________to meet you.

gital mobile phones definitelyproduce less radiation, but that doesn’t meanthat they should be used without caution.

Longjing tea comes from Hang Zhou, which is ____ for it.[ ]

27—It’s difficult for college graduates to find a good job in China —It depends on whether they have ______ it takes to be successful in today’s world

_____ will you stay there for the show— Until the day after tomorrow.