I won’t call you, （ ） something unexpected happens.

() comes back first is supposed to win the prize.

（ ） student with a little common sense should be able to answer the question.

A car （ ） Jane’s cat and sped away.

If I had remembered （ ） the window, the thief would not have got in.

Three of us will go there, and the rest （ ） to stay here.

John Smith, a diligent student, never refuses to （ ） more responsibilities that are assigned to him.

—Shall we invite Tim? —No， it’s too late to invite any more people. _____， he hates parties， you know.

_____ more time，he’ll make a first-class tennis player sooner or later.

“（ ） everyone’s here,” she said, “let’s begin to discuss the solution to the problems we have found．”

He made another wonderful discovery, （ ） of great importance to science.

The defense computers calculate way to （ ） the enemy missiles.