The population of Africa is ________ so rapidly as to cause great concern of the whole world.
| A．expanding | B．stretching |
| C．extending | D．spreading |
It was ________ of my secretary not to have let others disturb me this morning when I was occupied with my work.
|
“Without Chinese toys, kids around the world ________ not have so much happiness.” said an European Union official.
|
. I was lucky enough to get on the train before it ________.
|
The man must be the leader of the group, easily ________ by his special uniform.
|
. Teamwork, or cooperation, is ________ it takes for a football team to win a game.
|