$1.$ He asked me where was the post office.

- "where was the post office"→ where the post office was.

$2.$ She suggested to visit the zoo.

- to visit → visiting.

- suggest + V-ing.

$3.$ Mother said, 'You must always say the truth.

- say → tell.

$4.$ The doctor told me to not exercise a lot.

- to not → not to.

$5.$ My parents offered giving me a lift to the railway station.

- giving → to give

- offered + to V.

$6.$ Our teacher said to us that the test was quite easy.

- said to → told.

$7.$ She asked how could she contact me.

- "could she" → she could.

$8.$ He said that Kate had left the last month.

- the last month → the previous month.

$9.$ The old man told good night and went to bed.

- told → said.

$10.$ Jenny said me, 'I hate Maths'.

- me → to me.

$@vanw$