You will be home and dry in the interview if you have good qualifications

'Home and dry' = home free : nghĩa là chắc chắn thành công (assuredly successful).
Với yêu cầu: "Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions." của câu hỏi thì ta lựa chọn đáp án B. be unsuccessful
be home and dry ›‹ be unsuccessful