A. similar B. embryo C. behaviour D. fragile A. sit down B. hardly C. Nile D. homestay A. anyway B. ten C. meanwhile D. conclusion A. fertile B. get hold of C. not only but also D. save A. take for granted B. be supposed to C. smile D. carry A. comment B. the Dragon Boat Festival C. mile D. riding A. yield B. detect C. all-time D. pile A. cinema B. compile C. keep in touch with D. mobile phone A. superb B. worthwhile C. canteen D. abstruse A. how B. above all C. file D. ingredient