—Your colleague's spoken English is beautiful, Lily. —It's no wonder.She ____ in the USA for a year as a visiting professor.
The river, _______the bank are covered with trees, is very long.
The editor’s job is to keep the newspaper_____ and________to the readers.
It is thought that one billion people I the world,________is half the word’s workers, earn their living by farming.
I can’t find my watch. I must have ________it in the hotel.
Is Mr. Wang good at drawing his students into ________ discussion?