____ team wins on Saturday will go through to the national championships.
A. No matter what B. No matter which C Whatever D. whichever
Here are two pairs of shoes, ______ you may choose.
| A．both of them | B．either of them | C．any of which | D．either of which |
He plays well or badly according to his mood (心情), so he’s a very _________ player.
| A．modest | B．easygoing | C．temperamental | D．calm |
No one knows exactly ______ this important discovery was made.
| A．that | B．that how | C．what | D．when |
The weather turned out to be very good, _______ was more than we could expect.
| A．what | B．which | C．that | D．it |
I don't really work here；I _______ until the new secretary arrives.
| A．just help out | B．have just helped out | C．am just helping out | D．will just help out |