He worked so hard that _____ (终于) his health became poor and fell ill frequently.
Mg is the correct __________ (符号)for magnesium.
Older people deserve a __________ (特定的)set of rights to ensure they are treated with dignity and respect.
Anger did not help people __________ (表现)any better in mental tasks.
Unfortunately your ticket does not __________ (保证)you a seat.
Children who are taller have an obvious __________ (优势)when playing football.