This kind of software for English study _____ a lot of students who are weak in oral English.
After Peter died, George ______________ the story of their friendship in a book.
The _____ language used in most international organizations is English.
--- Hello! Is Mr. John in the office?--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
As a young man, there was __________ time __________ I hated to go to school .
—I am leaving for the States tomorrow, Caroline!—______