Acid The police have a difficult case. There is
a secret message in a special box. The box
can only be opened with a four number
code. If the wrong number is pressed,
t inside the box will destroy the
message. There is a clue:
22,9,9 - 9,24-9, 22 - 9,9,9
Sherlock Holmes looks at it and presses
7943. The box opens. The police officers
are amazed.
How did he work out the number?
Can you?

1. you are lazy, my boy. i think you should work more.

2. if you are too tired to go home, you can stay here for the night.

3. may i use your mobile, please?

4. granny is ill, i think you must visit her.

5. mary is selfish. she should think more about her friends.

6. john is clever. he can speak three languages.

7. may i read again, miss?

8. it is very hot. you should not stay in the sun too long.

1. а

2.б

3.с

4.а

5.а

6.с

7.а

8.б

was born

have been living

can

will move

have regretted

are reminded

draw

are having

rush

do

are playing

because a lot of rich and poor is not working