A careless joke _____ an argument between the two friends, and so far they haven’t forgiven each other.
He had told her so little that she was all at sea anyhow __________ the whole procedure.
He wrote to tell me that there was no need to worry about him and he had offered to clean the community __________ a week's accommodation.
He is teaching me French __________ my teaching him Chinese.
The committee __________ over the problem among themselves for two hours.
—Liu Fang, I don't know you can play the Pipa and Guzheng so well. —Well, actually I __________ it since I was six years old.