He built a telescope ________ which he could study the skies

He built a telescope ________ which he could study the skies he built a telescope through which he could study the skies. 填介词 He built a telescope ________ which he could study the s "Galileo built a telescope through which he could study the He built a telescope _____ he could study the stars He made a telescope he could use to study the skies 填介词+关系代词 He built a telescope ,_______ he could study the sk 【介词+关系代词】He built a telescope ____ ____ he could study the s The scientist invented a telescope,_____he could study the s He has a telescope,so he look at the stars 英语定语从句 介词The pencil 填介词 which he wrote was broken he built a He answered the question which ________(please)a lot