Since Tom ___ downloaded a virus into his computer, he can not open the file now.
It was the news ____ the movie star would come to our school ____ let us understand the meaning of the word “fanaticism(狂热)”.
. ____ I am concerned, we should be brave and we will reach the top of the hill at last ____ we try our best to climb the hill.
Jack’s business is not as good as before, so he has to __________ the expenses(开销) of his company.
The reason ______ she gave for being absent was _____ the heavy snow prevented her coming.
Jane Eyre preferred________to school rather than ________at her aunt’s.