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1.I'd ________if you'd mail these letters for me.

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1.I'd ________if you'd mail these letters for me.
A.very appreciate it B.fairly appreciate
C.quite appreciate D.appreciate it very much
2.He is late again today.I'll_______that he will not be late tomorrow.
A.be sure B.hope for C.see to it D.make it to
3.-Have you brought my book?
-Oh no!I________again.That was stupid of me.
A.forgot B.have forgotten C.had forgotten D.forget
4.-What's the trouble?
-Dr.William,yesterday we were playing basketball when I fell on my knee.It________ever since then.
A.had hurt B.had been hurt C.has hurt D.has been hurt
1.appreciate vt.欣赏,后面要接宾语.very是副词,只能修饰形容词.
2.See to it的意思是确认,确定.相当于make sure.A答案的be sure ,只能用be sure of sth./to sth.
3.forgot就是表示过去的动作,对现在并没有造成影响,因为他现在经过别人的提醒想起来了,所以现在没有forgot,因此用过去时.
4.首先你看到Since就要想到现在完成时,since一般都是与现在完成时连用.从语义上讲,他时从摔跤的那一刻起膝盖就开始疼了,到说话的时候仍然在疼.对现在仍有影响,所以用现在完成时.
以上是我自己的理解,结合我自己的解题方法,不知道迩是否能理解.