6.strong(adj.)强壮→________(n.)强项;长处;力量→__________(vt.)加强 7.weak(adj.)弱的;差的→________(n.)缺点;虚弱;弱点 8.host(n.)男主人→______(n.)女主人;女主持人 9. ______(n.)利益;好处→______(vt. & vi.)有益于;有助于;受益→beneficial (adj.)有益的

strength

strengthen

weakness

hostess

benefit

benefit