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 EX 5

1-B

2-B

3-A

4-B

EX 6

1-C

2-D

3-F

4-A

5-B

6-E

EX 7

1-B

2-D

3 -A

4 -C

5-F

6 -E

EX8

1- it's quarter to ten

2-  it's twenty to four

3- it's five past ten

4- it's half past twelve

5- it's ten to six

6-  it's four thirty five

EX 9

1: postpone

2: runing late

3: held up in a traffic jam

4: Reorganise

5: appoitment

6: feels ill

7: arrange