My friend Jack was the first person I knew ______an iPhone 5S.
| A．using | B．to use | C．used | D．having used |
It is reported that two schools, ________ are being built in my hometown, will open next year.
| A．they both | B．which both | C．both of them | D．both of which |
Was it in the factory _____ you worked five years ago ____ you met your wife for the first time?
| A．that; that | B．where; that | C．which; where | D．which; that |
I was about to give up my effort to solve a problem __________ a good idea struck me.
| A．when | B．while | C．until | D．before |
When someone gets old they often go to live in a home with other old people ________ there are nurses to look after them.
| A．although | B．that | C．where | D．unless |
With a lot of homework _________, Tom didn’t go to the movies with his father.
| A．finished | B．to finish | C．finishing | D．being finished |