【推荐1】—With the country’s pension fund gap becoming wider than ever, retirement age should be postponed immediately.
— Easier said than done _______ we take all factors into account, we shall be faced with some other social problems.

A．Unless

B．Even

C．When

D．Once

【推荐1】        white symbolizes purity and innocence, it is used in many important situations.

A．While	B．Once
C．Since	D．Though

【推荐2】________ there are often many resources available on campus, like professors and advisors, youngsters find it most comfortable and convenient to turn to friends for help.

A．As

B．While

C．When

D．If

【推荐1】“We will do the right thing and do what we have to do to investigate crimes ______ they exist,” claimed the police officer in chief.

A．whatever	B．wherever
C．whichever	D．however

【推荐2】Though the boy came back to life, ______ he was still weak.

A．but

B．yet

C．however

D．so

【推荐3】Respect for the law is the foundation of civilized society. ________ breaks it, he will be punished by law.

A．Whomever

B．Anyone who

C．No matter who

D．who