A．backB．apartC．throughD．behind

【C12】A．outwardB．apartC．asideD．outside

A．byB．withC．throughD．of

【C17】A．flatB．apartC．backD．behind

【C20】A．set aboutB．set apartC．set againstD．set aside

【C4】A．throughoutB．withC．throughD．of

【C8】A．inB．onC．throughD．under