Scientists have many theories about how the universe ___ into being.
| A．came | B．was coming |
| C．had come | D．would come |
Some parents are just too protective. They want to ______ their kids from every kind of danger, real or imagined.
| A．spot | B．dismiss | C．shelter | D．distinguish |
The loss has not yet been ______ accurately, but it is believed to be well beyond a hundred million dollars.
| A．calculated | B．considered | C．completed | D．controlled |
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 |