What worried the child most was _________ to visit his mother in the hospital.
| A．his not allowing | B．his not being allowed |
| C．his being not allowed | D．having not been allowed |
________ 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 |
Peter’ shirt looked just the same as Tom’s，but it cost ______ his．
| A．as much twice as |
| B．twice as much as |
| C．much as twice as |
| D．as twice much as |