Whoit be that is knocking at the door?——Itbe Father, but I’m not sure.

Are you going to help John with his Chinese this evening—No, He _______ to England. He will be back here next month.

You _____ an A on your composition, but there were some spelling mistakes.

The technological advances of the twentiethcentury have been brought about analarming reduction of our natural resources.

下列各句，不属于特殊句式的一项是（ ）