45 A. until B. as C. before D. unless

【C18】A．thoughB．whileC．beforeD．until

【C12】A．AsB．As ifC．ThoughD．Unless

A. as B. until C. because D. though

Owen wouldn’t eat anything ____________ he cooked it himselfA. until B. sinceC. unless

A. until afterB. ever sinceC. so thatD. long before

_________(53)A.when B.afterC.before D. until