Would you be ____ to lend me a hand?— No problem![ ]

Who is _____ ?—-_____­name is Betty.

A low-carbon(低碳) lifestyle has an effect our daily life. People are paying more and more attention to energies these days.

I have some problems my Chinese learning. Can you help me with it? —Sure.[ ]

It is global warming, rather than other factors,_____ the extreme weather.