Pag. 247 Focus Now

Exercise n° 1 on pag. 247

1) d

2) f

3) b

Exercise n° 2 on pag. 247

1)

2) Should

3)

4)

5) Should

6)

N° 3 on pag. 247

1) The wrong answer is C.

2) The wrong answer is C.

3) The wrong answer is A.

4) The wrong answer is B.

Exercise n° 4 on pag. 247

1) Should I

2)

3) You should

4) Also

5) Important to

6) Should really

7)