A. root B. weaken C. see the doctor D. What's worse A. smile B. spacious C. launch D. third A. blacken B. cube C. delicacy D. fore fathers A. pen pal B. sweep up C. space D. amused A. agree B. unlike C. smoke D. in return A. reception B. food for thought C. kindness D. interplanetary A. NASA B. meander C. complicated D. rotate A. write down B. faulty C. vast D. hush A. leap B. warmly C. authority D. record-holder A. allow B. Merry Christmas C. destruction D. before long