【C20】A．laterB．firstC．nowD．before

【C20】A．agoB．pastC．aheadD．before

A．laterB．beforehandC．afterwardsD．before

A．laterB．afterC．moreD．ago

【C20】______A．withB．offC．beforeD．from

【C8】A．laterB．afterC．agoD．before

【C6】A．InsteadB．FirstC．LaterD．Once