The number of people ________ this happens is not very large.
| A．with whom | B．to which | C．to whom | D．on which |
This photo of mine was taken________stood the famous high tower.
| A．which | B．in which |
| C．where | D．there |
I’ll never forget the most wonderful holiday ________ we stayed in the country with my grandparents.
| A．when | B．which |
| C．where | D．that |
At 13，Samuel received a training course in drawing for three years，________ he got a good opportunity for further development.
| A．after that | B．after which |
| C．after it | D．after this |
Her sister has become a lawyer，________ she wanted to be.
| A．who | B．that |
| C．what | D．which |
Let’s talk about the persons and the things ________ we can remember.
| A．which | B．whom |
| C．that | D．what |