TOEIC, Знайти слово за його значенням

#41

adv. strenuously; with great effort; to the full extent; intently; to the extreme limit
adv. at fixed intervals; at evenly-spaced intervals; usually; customarily
adv. first in place or rank; primary; leading; main
adv. before; at an earlier time; in the past; antecedently
v. to answer adequately or successfully