... it a second thought. Fifteen- minute test Grade: 12 basic Full name: Class: 12 Fill each blank with but, so, however or therefore where appropriate. 1. This is the shortest way to the city center; ... Fifteen- minute test Grade: 12 basic Full name: Class: 12 Underline the correct alternative in the following sentences.1. ... conclusion.10. It started to rain hard; ______ we decided to stay at home to watch TV. Fifteen- minute test Grade: 12 basic Full name: Class: 12 Fill in the blanks with: although, but, or however1. Bob...