Oh, I’m not feeling well in the stomach. I ______ so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t have eaten | C．shouldn’t have eaten | D．mustn’t eat |
The Olympic _____ remind us of where the Olympics are held and the characteristics of the host country.
| A．symbols | B．signals | C．marks | D．signs |
He came here without friends or ______and made his fortune.
| A．possessions | B．possession | C．wealth | D．good |
Some companies are thinking of ways to save natural _____ by making better use of the water used in the bathroom.
| A．resources | B．sources | C．power | D．energy |
One should have a _______ of right and wrong.
| A．feeling | B．knowledge | C．sense | D．idea |
I like getting up very early in summer. The morning air is so good.
| A． | to be breathed | B． | to breathe |
| C． | breathing | D． | being breathed |