— I’m sorry．I ________ at you the other day．
— Forget it．I was a bit out of control myself．
A．shouldn’t shout
B．shouldn’t have shouted
C．mustn’t shout
D．mustn’t have shouted
_____ with so much trouble，we failed to complete the task on time．
A．Faced B．Face
C．Facing D．To face
________ around the Water Cube，we were then taken to see the Bird’s Nest．
A．Having shown B．To be shown
C．Having been shown D．To show
I have ______ all the papers but I still can’t find my notes．
A．looked for
B．looked through
C．looked after
D．looked out
_____in the sports world，a sportsman needs to train constantly to keep himself in best condition．
A．Survive B．Surviving C．To survive D．Survived
Teenagers ________ their health because they play computer games too much．
A．have damaged
B．are damaging
C．damaged
D．will damage
