You should stop ... dinner or I'll eat by myself. I'm too hungry to wait

1. You should stop ... dinner or I'll eat by myself. I'm too hungry to wait.
A. having
B. to have
C. to having
D. working and having
2. If you ... he was there, I ... him.
A. told me/ would visit
B. had told me/ would have visited
C. had told me/ would visit
D. told me/ would have visited
3. No longer ... do all the housework with their hands.
A. have women to
B. do women have
C. do women have to
D. women have to
4. Although solar energy is cheaper than oil, ... have advantages as well as disadvantages
A. both of them
B. both of which
C. them both
D. both of they
5. It was careless of him to let ... in the kitchen.
A. the children play
B. the children to play
C. the children playing
D. child play