When you stand on the top of the mountain and overlook the surrounding scenery, you will find it is ______ to climb it up with effort.
| A．worth | B．worthy |
| C．possible | D．worthwhile |
“What did you do in the garden?”
“I watched my father ______ his motorbike.”
| A．to repair | B．repaired | C．repairing | D．repairs |
I don’t allow ______ in my office and I don’t allow my family ______ at all.
| A．to smoke…smoking | B．smoking…to smoke |
| C．to smoke…to smoke | D．smoking…smoking |
_____ more attention, the trees could have grown better.
| A．Given | B．To give | C．Giving | D．Having given |
European football is played in 80 countries, _____ it the most popular sport in the world.
| A．making | B．make | C．made | D．to make |
The Olympic Games, ____ in 776 B. C., did not include women players until 1912.
A. first playing B. to be first played
C. first played D. to be first playing