---- My brother is not good at speaking English.
---- I suggest English for two hours every day.
| A．he practice speaking | B．him to speak |
| C．he speaking | D．his practicing to speak |
The children ___ not to play football in the street.
| A．warn | B．warned | C．must warn | D．are warned |
I bought a dress for you only 10 dollars in a sale; it was a real _____.
| A．exchange | B．bargain | C．trade | D．business |
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 |