6.Why do you blame him for his poor judgment on the matter______he really needs is encouragement?
[A] when that
[B] since that
[C]when what
[D]now that
7.The other timing system belongs in our internal clocks，which，left______,would tie the body to a 25-hour rhythm.
[A] behind
[B] alone
[C]out
[D]aside
8.It has been years __________ I returned home.
[A]after
[B] that
[C]since
[D]when
9.We'll keep you ______ any news.
[A]up to date with
[B] in step with
[C]in line with
[D]in terms of
10.I'd like to go to the cinema, but I'm ______ to.
[A]enable
[B] disable
[C]unable
[D]able
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