Each time, Billy Crystal performs his stand-up routine in front of millions of people when the show is broadcast _______ on TV.
From where I stand, the key to the test is to practise English every day.
The small victories in the fight against poverty and hunger have helped many people who are in trouble allowing them to maintain dignity.
—I wonder if I could use your phone?— ________.
Do you have any idea ________ is actually going on in the classroom?
— Can you give me some advice on what I said just now?—Sorry. My mind ________.