—How much is _______ for a schoolbag? —Experts say students should carry_______ more than 10 or 15 percent of their body weight.

The ______ scene where the accident happened made him ______ to death.

Though my grandfather is in his eighties, he is still as _________ as a young man and hates sitting around doing nothing all day.

---Did you listen to the lecture? ---Yes, I have never heard a ___________ one. 

--Lily did succeed at last! --Yeah, indeed, but she was ________ than successful, I think．