1 . 如果我当时把弟弟落在后面，我妈妈是不会高兴的。（leave…behind）

2 . 毫无疑问，只要你跟上我们的节奏，你就不会落后。(keep, leave)
________________________________________________________________________________ our pace, _______________________________________________________________________________________

3 . 根据句意，选择单词或短语并以其适当形式填空。

at a loss; leave… behind; think…through; in person; shoot up; through back and thin; bring out; let go of; in the wrong; smooth out; out of one’s sight; rise to

1. The manager was clearly ________ but refused to admit it.
2. Demand for water ________ by 70% over the last 30 years.
3. They might have lost the game, but the home team ________ the challenge and managed to win the first place.
4. ________ the map on the table, they began to make a careful plan for the coming hiking.
5. Detectives are so far ________ to explain the reason for the victim’s death and they are still working hard to find clues.
6. He drove off, ________ him a trail of blue smoke.
7. She’s always been there for me ________ so I can’t turn my back on her now.
8. I don’t like singing this sort of music because it ________ the weaknesses of my voice.
9. Allen, sometimes, has trouble ________ the past, making both herself and her family suffer a lot.
10. Nobody else can sign the paper for you. You have to sign it ________.

4 . I really wanted to tell him to please be quiet and leave me ________!

A．for

B．out

C．behind

D．alone

5 . I was talking with my old friend and I left my newly bought dictionary ______ on the bus. （用适当的单词填空）

6 . If you study in a logical way, you won’t ____________ anything ____________.

A．leave about

B．leave behind

C．leave out

D．leave alone

7 . He arrived at school early in the morning，dragging his heavy instrument case across the campus to the pitying looks of the non-musicians he had left ___________________________.（根据句意填空）

8 . The plane is about to leave, but I have left my ticket________.（根据句意填空）

9 . If you don’t work hard, you will be left____________.（根据句意填空）

10 . She wants to think things out quietly, so we had better ________her _______.

A．leave； out	B．leave； behind
C．leave； on	D．leave； alone