Every possible means ______, but none proves successful.
| A．has tried | B．have been tried |
| C．is being tried | D．has been tried |
___ is reported that he got severn good medals.
| A．That | B．Word | C．It | D．News |
How long ___ to finish the work ?
| A．will you take | B．will you take | C．you will take | D．will it take you |
___ no need for us to discuss the problem again. It has already been settled.
| A．It has | B．There has | C．It is | D．There is |
He didn't tell us the truth ___ elevent o’clock last night.
| A．until | B．unless | C．since | D．for |
One day a young man named Herry ___ a taolor’s shop to buy a new coat.
| A．called on | B．called at | C．called for | D．called up |