【2011-20】My uncle is quite worn out from years of hard work. He is no longer the man_______ he was fifteen years ago.
A. which
B. whom
C. who
D. that
【2011-11】 There is no doubt _________ the couple did the right thing in coming back home earlier than planned.
A. whether
B. that
C. why
D. when
【2015-12】 There is no doubt ________ the committee has made the right decision on the housing project.
A. why
B. that
C. whether
D. when
【2008】Quality is ____ counts most.
A. which
B. that
C. what
D. where