单句语法填空
【小题1】(2019·全国Ⅰ)While they are rare north of 88°, there is evidence __________ they range all the way across the Arctic, and as far south as James Bay in Canada.
【小题2】(2019·全国Ⅱ)Now Irene Astbury works from 9am to 5pm daily at the pet shop in Macclesfield, __________ she opened with her late husband Les.
【小题3】(2019·全国Ⅱ)I work not because I have to, __________ because I want to.
【小题4】(2019·全国Ⅲ)They were well trained by their masters __________ had great experience with caring for these animals.
【小题5】(2018·全国Ⅰ)Two of the authors of the review also made a study published in 2014 __________ showed a mere 5 to 10 minutes a day of running reduced the risk of heart disease and early deaths from all causes.
【小题6】(2017·全国Ⅰ)Like anything, it is possible to have too much of both, __________ is not good for the health.
【小题7】(2017·全国Ⅲ)But Sarah, __________ has taken part in shows along with top models, wants to prove that she has brains as well as beauty.