Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
| A．prepare | B．preparing | C．prepared | D．having prepared |
He was hiding behind the door _________ he could see what was happening.
A. whichB. from whereC from 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 |