(a) somber
(b) tense
(c) overseas
(d) thorough
292.adj. aspiring; desirous of success; requiring great effort
(a) conversant
(b) ambitious
(c) comfortable
(d) distinctive
293.v. to enter; to penetrate; to infiltrate; to suffuse
(a) permeate
(b) bottom
(c) reflect
(d) resemble
294.adj. resistant; invulnerable; impervious; sealed; durable
(a) payable
(b) commercial
(c) duplicate
(d) proof
295.adj. lively; vigorous; crucial; critical; necessary
(a) persistent
(b) eligible
(c) vital
(d) select
正確答案: cbadc