It’s unimaginable that such a top student as Jane   cheat in the exam.

I hope to have a car of my own so that I________ compete with others for space on crowded buses.

But for the fact that China   also affected by the global financial crisis, we      fewer unemployed workers now.

If I hadn’t stood under the ladder to catch you when you fell, you _____ now.

As is natural, a man as old as he ______ be very forgetful.