( 1 )

1)recommend

2)certainly

3)shall

4)speak

5)minute

6)would

7)check

8)think

9)true

10)hear

11)problem

( 2 )

1)c

2)d

3)f

4)b

5)e

6)a

( 3 )

1)d

2)c

3)f

4)b

5)a

6)e