A.none of them
B.both of them
C.one of whom
D.neither of whom
A.can't have been
B.shouldn't have been
C.mustn't have been
D.wouldn't have been
A.liking
B.to be like
C.to like
D.to be liking
A.shall
B.should
C.can
D.must
A.has
B.had
C.have
D.must have
A.when/how
B.how/when
C.how/how
D.why/why
A.will fail
B.fails
C.should fail
D.failed
A.busy/happy
B.busiest/happiest
C.busier/happier
D.busy/happily
A.where Alice had put
B.where had Alice put
C.where Alice has put
D.where has Alice put
A.would
B.should
C.could
D.might
A.have I known
B.had I known
C.do I know
D.did I know
A.who
B.that
C.as
D.which
A.who
B.that
C.as
D.which
A.to find
B.finding
C.found
D.to have found