The new supermarket announced that the first to purchase goods on the opening day_______ get a big prize.

—Can you tell me what to wear at the party?—If I            you, I            the blue jeans.

One ought ________ for what one hasn't done.

--- Whose French book is it?--- It __________ be Lucy’s. Look! Her name is on the book!

— Mr. Wang, I got zero on Answering Sheet One. Could you help me correct it?— I’m sorry, but it ______ be marked by the machine. Mark your test number with a pencil 2B next time.