The old woman has _______________ too many hardships in the past 10 years．
| A．broken through | B．gone on | C．broken down | D．gone through |
_____ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known |
| C．Knowing | D．Being known |
I’m calling about the apartment you ______ the other day. Could you tell me more about it?
| A．advertised | B．had advertised |
| C．are advertising | D．will advertise |
It was playing computer games _____ cost the boy plenty of time _______ he ought to have spent doing his lessons.
| A．what; that | B．that; when |
| C．which; that | D．that; that |
David is ______ animal fur, so he won’t visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
John invited about 40 people to his wedding, most of ______ are family members.
| A．them | B．that | C．which | D．Whom |