The owner of the jewelry store says a(n) _______ of $ 1,000 will be offered to anyone who can find the lost jewels.

If you want to study the nature of the universe, first of all, you must be clear about its ________.

—Hi, this way, please.—OK.I sometimes have no sense of ______ when I arrive at the crossroad.

The ______on his face told me that he was angry.

Your _______ as a student will be excellent if you develop a habit of reflecting on how you learn.