— Tom knocked into the banisters(栏杆) last night while driving, but she is all right.改编 — He is lucky. He himself badly.
Cycling is highly __________ to people’s health and the environment.
I’ve listened to Professor Smith’s talk about medicine,but I still haven’t got a good understanding of its key _________.
It was becoming increasingly _________ that he could no longer look after himself.
—She’s a lot older than you,isn’t she? —Fifteen years,to be _________.
There is more than __________ rain this year,so some parts of the country have been flooded.