My parents live in a small village. They always keep candles in the house ____ there is a power out.
| A．if | B．unless | C．in case | D．so that |
Do you know the man _______?
| A．whom I spoke | B．to who spoke | C．I spoke to | D．that I spoke |
Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped.
| A．what; when | B．that; which | C．what; which | D．which; that |
The way he did it was different ________ we were used to.
| A．in which | B．in what | C．from what | D．from which |
These shoes look very good. I wonder _______.
| A．how much cost they are | B．how much do they cost |
| C．how much they cost | D．how much are they cost |
—Could you do me a favor?
—It depends on _______ it is.
| A．which | B．whichever | C．what | D．whatever |