Zunhua is one of the famous tourism destinations, lies Donling, a group of the Qing Imperial Tombs.
| A．20 miles northwest of it | B．20 miles northwest of which |
| C．northwest 20 miles of it | D．northwest 20 miles of which |
The children, ____ had played the whole day long, were worn out.
| A．all of what | B．all of which | C．all of them | D．all of whom |
A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change．
| A．which | B．what | C．where | D．that |
You can take any seat _______ is free.
| A．which | B．where | C．in which | D．that |
The Dead Sea is so salty ____ it’s hard for anything to live in it, ____ is why it’s called the
Dead Sea.
| A．that, which | B．that, that | C．/, that | D．/, what |
Mr. Smith has been to many famous cities in China, _______ Chengdu has impressed him most.
| A．in which | B．on which | C．of which | D．with which |