One of the firms I applied to has offered me a job but I _____ my options open until I hear from the others.
| A．have kept | B．will have kept |
| C．am keeping | D．keep |
___ 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 |
--Beg your pardon, please.I didn't quite catch what you said.---Oh, I ___ to myself.
| A．had talked | B．talking | C．talked | D．was talking |
He’s still suffering ___headche. He can't get rid of it.
| A．on | B．from | C．with | D．to |