A. exclusively B. while C. near D. mother tongue A. undercurrent B. chemical C. reptile D. able A. bullion B. anywhere C. futile D. can't help doing A. relative B. smile C. play chess D. affair A. alphabetical B. sometime C. narrator D. mile A. fragile B. bed C. be ready for D. approximately A. unscrew B. fertile C. principal D. duck A. Signor B. can't wait C. mobile D. twentieth A. perform B. particle C. intense D. juvenile A. go wrong B. hostile C. window D. convincing