A. workday B. impending C. in particular D. citizen A. be satisfied with B. evening C. enthusiast D. once A. take off B. ignore C. delightful D. natural A. shake hands B. rosebud C. mission D. definitely A. set B. deteriorate C. heading D. mistake for A. solution B. rooftop C. effort D. listen A. heaven B. hug C. manned D. twenty-four A. basin B. become interested in C. copy D. lift off A. robust B. space flight C. care for D. fewer A. billion B. schoolbag C. independence D. float