Barrack Obama __________ President of the United States since 2010.
| A．became a | B．has become a | C．has turned | D．has been |
The old woman died of cold ________a cold night.
| A．in | B．during | C．within | D．on |
The clouds were lifting ________every direction.
| A．to | B．towards | C．from | D．in |
The judge scolded the lawyer because he didn’t keep his remarks to the topic ________discussion.
| A．in | B．by | C．within | D．under |
The beginning of agriculture was a big step in human progress ________which nothing could compare until our information age.
| A．in | B．for | C．with | D．by |
Your suit won’t be ready ________Friday.You can collect it next Monday.
| A．on | B．by | C．till | D．for |