The river _____ are covered with trees is very long.
When we got to there, the host _____ his speech and the performance __________.
I will do my best to get it for you ______ I could remember who last borrowed it.
I apologize if I __________ you, but I assure you it was unintentional.
—Your sister nearly _______ all her spare time to her study during the three years. —That's right, or she ________ the first place in her school in the examination.
Mr. Brown, a good friend of mine, __________ us but that he was short of money at the time.