Answer: See below
Step-by-step explanation:
- His parents were on a plane to Manchester.
- There are houses in front (of) the river.
- He wanted to stand up.
- How much is your book?
- Can you spell your family name?
- She often writes novels at weekend.
- She was not tired after work.
- They did not get up at 7 o'clock.
- She has Math on Fridays.
**Disclaimer** I am pretty positive that there is an "of" for question 2. If there was, then you may refer to my answer. If there was not, then you may point it out, and I will redo it.
Hope this helps!! :)
Please let me know if you have any questions