1.We can come to the ______ that the more we practice，the more skillful we will be.
A.tradition B.generation
C.conclusion D.fact
2.I wished it ______ but it did.
A.had not occurred B.occurred not
C.did not occur D.would not occur
3.I have no choice ______ lay the facts before the public exactly as they occurred.
A.but to B.and to
C.with to D.only to
4.His illness accounts ______ his absence from class.
A.to B.for C.over D.after
5.______ a little earlier，I would have caught the train.
A.Did I leave B.Would I leave
C.Had I left D.Have I left
1.正确答案：C答案解析：像这类题考查单词的掌握，四个词意思不一样，就看哪一个放在句中逻辑上、语法上是正确的。这里come to the conclusion是一个固定词组，意指“得出结论”。
2.正确答案：A答案解析：本题考查的是虚拟语气的用法，表示的是与过去相反的情况，要用过去完成时，答案为A. 3.正确答案：A答案解析：本题考查的是固定搭配的用法。have no choice but to do sth.表示“别无选择只能做某事”。
4.正确答案：B答案解析：account for表示：是……的原因/理由。
5.正确答案：C答案解析：本题考查的是if引导的虚拟条件句，省略了if要把had提前。
