______ water to grow is well known.
| A．That trees need |
| B．These trees need |
| C．That tree needs |
| D．Trees need |
—How do you find that Beatles’CD?
—Wonderful. It’s well worth ______.
| A．to listen to | B．listening to | C．to be listened to | D．being listened to |
. I was glad to meet Jenny again,I didn't want to spend all day with her.
| A．but | B．and | C．so | D．or |
This is a picture of ______, taken from twenty years ago.
| A．myself | B．my own | C．me | D．my |
He behaved nothing had happened.
| A．even though | B．because | C．although | D．as though |
To our surprise, the missing suitcase ______, completely empty, near our office building the next morning.
| A．found out | B．turned up | C．got back | D．come from |