Many students thought about the third question for quite a while and had great difficulty answering it. Obviously, it was _____ all.

Only those who have tasted bitterness will （ ） among others.

It is （ ） impossible to work with this noise around.

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

The color of the skirt does not （ ） that of the coat.

The kidney transplant operation was _____ complicated, so the operating team had to take special care to ensure its success.

It is by no means clear （ ） the president can do to end the strike.

Our company’s service is （ ） in nearly 80 countries around the world.

Before using your new pressure cooker, read the following （ ） carefully.

I recognized John （ ） he entered the room.

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

It （ ） that the jewels had been stolen by a traveler.