【C12】A．could have setB．should have setC．ought to have setD．need to have set

If they had taken my advice, they _______ .A、had wonB、could wonC、should winD、could have

【C12】A．includedB．having includedC．includeD．including

【C12】A．To comeB．ComingC．CameD．Having come

【C5】A．should notB．mustC．might notD．could

【C17】A．must have beenB．may have beenC．could have beenD．should have been

【C19】A．could beB．must beC．should beD．would be