________ advertisements are of great help, I don’t think we should entirely rely on them.
| A．Because | B．Since | C．Once | D．While |
It makes __________ to fight for your highest attainable goal.
| A．progress | B．efforts |
| C．sense | D．contributions |
It is the third time that she has won the race，__________ has surprised us all.
| A．that | B．where |
| C．which | D．what |
We feel __________ our duty to make our country a better place.
| A．it | B．this |
| C．that | D．one |
-I've got something weighing on my mind at the moment. Could you give me some advice?
-__________. Tell me all about it and I'll do what I can.
| A．Never mind | B．No way |
| C．Forget it | D．No problem |
She __________ an old friend of hers yesterday while she was shopping at the department store.
| A．turned down | B．dealt with |
| C．took after | D．came across |