The Acropolis was constructed in the 5th century BC ______ a high altitude above the city _____ Athena, the goddess of Athena.
—What are you doing under the table? —I _____ to find my watch.
If it were not for the fact that you _____ ill, I would ask you to do this right now.
--- “Where have you been?” --- “I got caught in traffic; otherwise _____ sooner.”
We _____ the work on time without your help.
You _____ such a serious mistake if you had followed his advice.