Pay attention to the meanings of the sentences, fill in the blanks with the correct connecting adverbs chosen from the pairs given in brackets.
1.the child was sleepy ____ we went home early. (otherwise,therefore) 2.we looked everywhere _____ we could not find the keys. (however,thus) 3.luckily, the moon was bright _____ , we could not have seen the path. (accordingly,otherwise) 4.he is old. _____ his mind is still active. (however,therefore)
2. however
3. otherwise?
4. however
2. however
3. otherwise
4. therefore