________crime in this area has increased so much over the last 20 years?
| A．Why is it that | B．Why it is that |
| C．Why was it that | D．Why it was that |
During the war there was a serious lack of food. It was not unusual that even the wealthy families had to ______ bread for days.
| A．eat up | B．give away | C．do without | D．deal with |
Would you please ______ the paper for me and see if there are any obvious mistakes?
| A．look around | B．look into | C．look up | D．look through |
— The food here is nice enough.
— My friend ______ me a right place.
| A．introduces | B．introduced | C．had introduced | D．was introducing |
______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
| A．Although | B．As long as | C．If only | D．As soon as |
Either you or one of your students ______ to attend the meeting that is due tomorrow.
| A．are | B．is | C．have | D．be |