12. Bungee is an adventurous sport, popular with young adults, ______ courage matters more than strength.
| A．where | B．that | C．of which | D．whose |
As a young man , he’d rather have a room of his own, however small it is, than _______ a room with someone else.
| A．to share | B．to have shared | C．share | D．sharing |
__________the burglar from the second floor when the house owner found him stealing last night.
| A．Down jumping | B．Down jumped | C．Jumping down | D．Jumped down |
Playing QQ’s “Happy Farm” by planting, watering, fertilizing, spraying, harvesting and selling of virtual vegetables, fruits and flowers, we can find out _____ all the excitement is about.
| A．that | B．if | C．what | D．when |
A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is. When it’s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it’s red.
| A．Though terrible | B．Whenever good | C．If worse | D．When bad |
Sustainable development is long-term ________which focuses on the environment and ________ natural resources.
| A．plan; preserve | B．plan; preserving |
| C．planning; preserving | D．planning ;preserve |