We should do as much as we can _____ our country better and more beautiful.

（ ） he often forgot their wedding anniversary greatly annoyed his wife.

—Did you enjoy the TV program last night? —No, （ ） not．

Peter often accompanies his parents to the concert, ______ he does not like pop music at all.

Millions of Americans take vitamins and minerals, （ ） that these pills can help to prevent serious illnesses.

The search party still could not decide on the （ ） of the ship.

It is essential that all these figures （ ） twice.

Don’t get off the bus （ ） it has stopped completely.

We didn’t finish the work in time. You _____ us since you were there.

She is a very _____ secretary; she almost never forgets anything or makes a mistake.

It is her beautiful eyes （ ） attract most of the fans.

The father went to the door in （ ） to a knock from outside.