We should protect the environment, for plenty of fresh air ________ to good health.
| A．adjust | B．contributes | C．distributes | D．appeals |
The teacher told Tom to sit ______ in class.
| A．hard | B．hardly | C．straight | D．straightly |
________ at the party, I found Tina seated alone in the front row.
| A．Arriving | B．To arrive | C．Arrive | D．Arrived |
There was no lack_______ volunteers, but money．
| A．at | B．of | C．in | D．about |
She _______ the path as the trees around her became thicker．
| A．lost sight of | B．caught sight of |
| C．lost sight | D．caught sight |
Most parents think that computer games have a bad _______ on their children．
| A．expression | B．influence | C．impression | D．conclusion |