A. electrode B. catch one's attention C. hardwearing D. horizon A. opaque B. galaxy C. mooncake D. despair A. visualize B. bicycle C. relax D. applaud A. standard B. imagine C. rider D. in silence A. ripe B. on earth C. dimension D. half an hour A. overrun B. communicate C. heavier D. stomach A. assemble B. stick to C. enough D. side road A. fragrant B. utilitarian C. envision D. one another A. active B. physiological C. haven't D. fossil man A. heave B. knee C. economic D. tons of