Fill in the blanks with the words opposite in meaning to those underlined. 1. What looks like a convenient shortcut may prove to be very ........................... in the long run. 2. My application was accepted but his was ............................ 3. He failed to qualify in the first two attempts but ...................... in the third one. 4. He is brave but his brother is ......................... 5. An airplane consumes more fuel while ascending than while ............................