Underlined word or phrase (A, B, C, or D) that needs correcting

underlined word or phrase (A, B, C, or D) that needs correcting.
39. You should to see a doctor about your foot.
A. should to
B. a
C. about
D. foot
40. You ought listen to pupils' opinions in order to better your teaching in class.
A. ought
B. opinions
D. teaching
C. better
41. I'm so sorry but you couldn't leave your car in front of that building.
A. but
B so
C. couldn't
D. building
42. You'd better to take off your wet shoe before going the restaurant.
A to take off
B. wet
C going
the exam, you ought do some revision carefully
B. want C. ought do
D. carefully
44. Dogs must kept on leads in this area in case they may attack people.
A. kept
B. leads
C. in case
D. attack
45. He invited us to a party spend the weekend with him but we had to refuse because we were busy with o
A. invited
C. refuse
D. were
B. spend
43. If you want to pass
A. If
D. restaurant
ginal contengo