______ you study hard, you will pass the exam.

—______? —Yeah, it seemed a little confusing to me at first, but now I get it.

----Who is going to ______ prizes  to  the  winners? ----- The headmaster,  of  course .

He spoke about the country as if he had been there, but ________ he had never.

Try to use bank cards if possible and avoid ______ too much money with you.