A good advertisement, people attach positive meanings, can contribute to the sales of a product．
| A．for which | B．to which | C．of which | D．on which |
_____ is known to everybody, the moon travels round the earth once every month.
| A．It | B．As | C．That | D．What |
The factory was built in a secret place, around ______ high mountains.
| A．which was | B．it was | C．which were | D．them were |
This is the magazine _______ I copied the paragraph.
| A．that | B．which | C．from that | D．from which |
I can never forget the day _______ we worked together and the day ______ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |
I don't like ______ as you read.
| A．the novels | B．the such novels | C．such novels | D．same novels |