The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.
B
译文：更不用说，另一个定时系统在我们的人体时钟内，它会使人保持在一个25小时的生理节奏上。此题考查关于leave的短语。leavebehind意为“留下，放弃”，leavealone意为“更不用说”。leaveout意为“遗漏，忽视”。
Alinguistictheoryisconstructedaboutwhat______isandhowitworks.
Bloomfield drew on ______ psychology when trying to define the meaning of linguistic forms.
Idon’tmind_______thedecisionaslongasitisnottoolate.
Iwaswritingareportlastnight;________Iwouldnothavestayeduplate.