Look out! Keep away from the house, _____ the roof is under repair．
| A．whose | B．which | C．of which | D．where |
Recently I bought an ancient Chinese vase, _____ was very reasonable.
| A．which price | B．the price of which |
| C．its price | D．the price of whose |
_____ has already been pointed out, grammar is not a set of dead rules.
| A．As | B．It | C．That | D．Which |
He lived in London for 3 months, during ____ time he learned some English.
| A．this | B．which | C．that | D．same |
Helen was much kinder to her youngest son than to the others , ____ , of course , made the others envy him .
| A．who | B．that | C．what | D．which |
A story goes ______ Elizabeth I of England liked nothing more that being surrounded by clever and qualified noblemen at court.
| A．when | B．ｗhere | C．what | D．that |