A. hybrid rice B. his C. sir D. warm-hearted A. first B. hunger C. stay in touch with D. undertake A. independent B. basin C. Ms. D. mother tongue A. meet B. stomachache C. significant D. friend A. middle B. hybrid C. on one's mind D. relevant A. bactericidal B. three C. take out D. addictive A. zero B. sari C. black rhino D. conscientious A. environmental B. until C. leap D. eight A. yes B. interplanetary C. pull down D. kilometer A. head B. grape C. nice D. meaning