20．A．ofB． toC． forD． from

【C7】A．atB．toC．forD．over

【23】A．ofB．withC．forD．in

【C10】A．ofB．withC．forD．than

【C15】A．attend ofB．attend toC．attend forD．attend

Beijing is 1200kilometres _____ Shanghai.A. ofB. toC. from

【C19】A．because ofB．becauseC．forD．from