She is the cause _______ all his problems. She often makes him be worried _______ what she has done. A. from / over B. to / at C. for / on D. of / about She is the cause _______ all his pro
She is the cause _______ all his problems. She often makes him be worried _______ what she has done.
A. from / over
B. to / at
C. for / on
D. of / about