D. gave off
Corrected: We had a horrific journey, but we lived to tell the tale. (The correct answer was not given, but based on context, "gave off" would not fit. The most suitable option would be “carried off,” but it is not a perfect fit here. "Survived" would be more appropriate.)

B. disappointed
Corrected: He was sick as a parrot when his team lost the match. (Meaning he was very disappointed.)

B. unbearable
Corrected: I don't agree with their decision, but all I can do is grin and bear it. (Meaning the situation is difficult but must be endured.)

C. effectual
Corrected: Unfortunately, efforts to stop the fighting have not been effectual.

B. unavoidable
Corrected: Due to adverse weather conditions, the trains were delayed. (The delays were unavoidable.)

B. regrettably
Corrected: Surprisingly, she didn't feel nervous, or regrettably about her actions.

C. irresolution
Corrected: After several seconds of irresolution, she made a bold decision to step onto the stage.

B. badly
Corrected: He helped prisoners when he felt they had been treated badly.

B. tolerate
Corrected: My roommate has many irritating habits, but I just tolerate to keep the peace.

A. keep laughing
Corrected: Linda has such a strange voice but loves to sing. Every time she sings at office Christmas parties, it's difficult for her colleagues to keep a straight face. (Meaning it's hard for them not to laugh.)

B. attends to
Corrected: He neglects that poor dog; he never takes him for walks or gives him any attention.