I wrote him a letter to show my _____ of his thoughtfulness.
| A．achievement | B．agreement | C．attention | D．appreciation |
I will never forget the day _______ I came to my university and the day ______ I spent in a new city.
| A．when; which | B．which; when |
| C．what; that | D．on which; when |
Tony showed me his new cell phone, _______ was small but it could change colors in different weather.
| A．the screen of whom | B．whom the screen of |
| C．which the screen of | D．the screen of which |
We have heard of many cases _______ some citizens ，especially some famous people， have suffered because personal information had been leaked.
| A．why | B．which | C．as | D．where |
Is this the website_______ you want to have ____ into your files to help you learn English?
| A．who; to add | B．that; add |
| C．whom; adding | D．that; added |
A political advisor suggested giving out red pockets to the whole nation directly to encourage economics，_____I believe is of great value.
A that B. / C. which D. why