—I’m trying to find yesterday’s paper. Have you seen it?
—I’m afraid I ______ it away. I thought you had finished reading it.
| A．had thrown | B．throw | C．would throw | D．threw |
It’s the first time ______ he has helped us.
| A．that | B．before | C．when | D．who |
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 |