—Where have you been?—I was stuck in the heavy traffic. Otherwise I ____here earlier.

John went to the hospital alone.If he ________ me about it, I would have gone with him.

His expression suggested that he _______ ill, so the teacher suggested that he _______ sent to hospital at once.

 It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer. 

—— Do you think he will do me a favor? —— As far as I know, he is the last one to help others. He＿＿＿＿be prepared to give you a hand, though.