—I would like to buy an expensive camera.—Well, we have several models________.

—We didn't find the Blacks ________ the lecture.—No one had told him about ________ a lecture the following day.

The snake had no choice but ___ down and sleep.

But even though the robot so clever, he would have to be rebuilt—you can not have Women     in love with machines.

______ to somebody , a British person often shakes hands with the stranger .