Check my answers please

Dear teachers,

I have marked the answers in blue below. Correct it if there are any mistakes please.

1. If you happen to see Morag, would you ask her _____ my postcard.
is she getting
whether has she
if she got
if she did

2. The grass is all wet. It _____ during the night.
should have rained
ought to have been raining
had been raining
must have been raining

3. I'll do my very best to _____ there on time.
get
have got
be getting
getting

4.If I _____ phone you, I'll see you at seven.
do
don't
will
may

5.I wish George and his father would settle their ……… and start talking to each other again.
disagreements
arguments
differences
problems

Thank you.