__________ the tourists come from South Korea.
---Come and join us.--- I’m sorry, but I’m busy. If I ________ time, I would go.
Martin was once ________ “problem student”, but now he’s one of ________ top students.
The book is very difficult. ________ read something easier?
The underlined part in the word “needed” is pronounced as ________.
—________.— Ever since last week.