Not until he went through real hardship _____the love we have for our families is important.
| A．had he realized | B．did he realize | C．he realized | D．he had realized |
Shea lot of Spanish by playing with the native boys and girls.
| A．picked up | B．picked out | C．took up | D．took out |
He kicked the snow his shoes before getting in.
| A．to | B．out of | C．off | D．at |
The aged are close companions, and many of have known each other for decades.
| A．them | B．that | C．whom | D．what |
The job market has changed and ourto finding work must change as well.
| A．way | B．method | C．means | D．approach |
__________ the experiment right, I tried again and succeeded.
| A．Not having done | B．Having not done | C．Not doing | D．Not done |