Tom was a student at this university from 1999 to 2003, ____ he studied very hard and was madeChairman of the Students’ Union.[ ]

The sign x ____ an unknown number. [ ]

It was because it rained last night ___ he didn’t come.

I was______in the newspaper at that time, so I didn’t notice what was happening.

I don’t like summer I don’t like hot weather.