xperts agree that human activities such asthe clearing of large areas of forests, and farming on a large scale _________the problem of global warming.

There is _____ with my car. Will you give me a hand–Certainly.

It’s an either-or situation—we can buy a new carthis year or we can go on holiday but we can’t do

I don’t believe we’ve met before, ________ I must say you do look familiar. [ ]

You have failed two tests. You’d better start working harder, ____ you won’t pass the course.