Grammar Question

Hi,

Could you please verify below ones.

I apologize ________ being late. There was a lot of traffic.

(A) because
(B) on
(C) for
(D) of

Ans C

James left the party ________ I got there, so I didn't see him last night.

(A) while
(B) before
(C) after
(D) since
Ans B

Identify the wrong ones.
I ( A ) formally move that any contract amendments stipulating material modification (B)be put on hold for the present!
(C) Conversely, amortization of capital assets ( D ) should likewise be suspended temporarily.

Ans C

Regards,
Raj