_________ the task on time, he was fired by the boss.
Let’s put off the picnic until next week, _____ the weather may be better.
Living in a city can’t ______ living in the country.
―They decide to take _____ sail around the island. ―When will the ship set _____ sail?
______ at the airport, he telephoned his wife and bold her what he would do when he got home.
By the time Einstein was 14 years old, he ________ himself advanced mathematics.