完成句子（共5小题, 每小题4分, 每空1分,共20分）请根据中文句子含义，把对应的英语句子的空缺部分补充完整,每空填一词。
1. 这是珍妮第一次患上这种奇怪的病.
It is the first time ______ Jenny ___________________ such a strange disease.
2. 这两个决定中,哪一个决定在你的生命中起了更为重要的作用, 是前者还是后者?
Which of the two decisions has _______ a more important ______ in your life, the former one or the _____________?
3. 我的侄子很固执. 一旦他决定想做什么, 没有人能改变他的想法。
My nephew is a very stubborn boy. ________ he has determined to do something, no one can ______________________.
4. 他看起来似乎不在乎你的表扬, 但是他其实是很看重的.
It seems ______ ________he didn’t ____________ your praise, but as a matter of fact, he thinks highly of it.
5. 只有当我们全心投入我们的学习时,我们才能实现自己的梦想.
_______ when we devote ourselves fully to study will we be able to______________________.