When asked why he enjoys rock climbing so much,Bibby said,”It’s basically like dancing on the rock.It’s a challenge________man against nature.”[ ]

If we now to bring down the housing price ,it will surely make our society in disorder

Without electricity human life _____ quitedifferent today.

What about ____________ this afternoon—-Sounds great. Let’s go __________ andbuy some water first.

ther isn’t very good at English, but _____maths, he is second to none.