______ Tom be in his office so late at night ?
-This is Jim. – .
—Shall we have a cup of coffee? —________.
–– Which of these do you like ____________, Millie, tea or juice? –– Tea, please.
The one _________ me is writing on the blackboard ________ the classroom
They like to learn ______English after work, so they want to buy ______English books.