There is somebody knocking at the door. Who________it be—I’m not sure. It ________ be a postman.

Do you know when the story happened—Yes. It happened _________21:20 _______Iune12.

The cousins are alike in age, but ________ they are as different as day and night[ ]

This research hasattracted wide _______ coverage and has featured on BBC television’s Tomorrow’sWorld.

You may not have played very well today,but at least you’ve got through to the next round and _______