about prepositions?

Question

There are a few blanks(underscores) mentioned .Please fill them with appropriate prepositions and check your preposition power. Answer them by putting correct answer numbers near to your answers looking at question numbers.
(1) He hanged himself _a piece of cloth.
(2) We must start _ dawn to reach station.
(3) A drowning man will catch _a straw.
(4) Always be prepared _the worst.
(5) Aim _doing your duty.
(6) Someone is knocking _the window.
(7) I do not approve _of her action.
¬(8)_last month the weather has improved.
(9)I am sorry to differ _you _that question.
(10)I have not seen your brother _his marriage.
(11) He was beside himself _ joy.
(12) Blessed are the pure_ heart.
(13) Eye _an eye & a tooth _ a tooth.
(14) Matters appear to be _a standstill.
She comes _a noble family.
(15) she was struck _lightning.

Answer 1

1- with
2 - by (or before)
3- onto
4 - for
5 - toward
6 - at (or near)
7 - you gave the answer!
8 - After (or since)
9 - with/about (or regarding)
10- after (or since)
11- with
12 - of
13 - for/for
14 - at
unnumbered - from
15 - by

Answer 2

1 by
1 at
3 upon
4 for
5 on
6 at
7 of is a preposition itself
8 since
10 on/at
11 with
12 of/by
14 on
she comes from
16 by

Answer 3

1)with
2)at
3)onto
4)for
5)on
6)at
7)you gave the answer! of!
8)after
9)with, about
10)since
11)with
12)of
13)for, for
14)at
not-numbered)from
15)by