At long last the child was found on top of _____ we call the museum of science and technology.
| A．which | B．that | C．what | D．where |
The people ___ in the paper did not like it, but other reader liked it very much.
| A．who was written | B．who were written |
| C．who were written about | D．whom were written about |
Matter is anything____
| A．that take up space and have weight | B．which take up space and have weight |
| C．that takes up space and has weight | D．those take up space and have weight |
She wrote a letter to her father, ___ she made her secret known.
| A．which | B．that | C．in which | D．where |
The factory ___ I am going to is the place ___ my mother used to work many years ago.
| A．where, where | B．where, which | C．which, where | D．that, which |
The last river __ _ they crossed is two miles wide.
| A．where | B．which | C．that | D．in which |