A. disguise B. undulate C. online D. solar system A. a bunch of B. deal C. horizontal D. in person A. side road B. underline C. billion D. inmost A. rhythm B. come to power C. fast asleep D. congestion A. actuality B. regular C. scavenger D. insist A. tremor B. seasonal C. swallow D. fragile A. underdog B. trough C. register D. disorder A. beggar B. superhero C. crest D. pan A. watch films B. twenty-six C. ray D. fast A. main course B. moon C. vertical D. at dusk