________ students are in the classroom.
Mary can play ______ basketball. And Lucy can play _____ piano.
When shall we start?—Let’s _____ the time for the trip. What about 8:30? Is that all right?
We will arrive _____ the city _____ April 20th. [ ]
So what have you learned?-We’ve learnt _______about life in poor areas. Which of the following is NOT right?