Dogs have a very good ______ of smell and are often used to search for survivors in the earthquake.
| A．sense | B．view | C．meaning | D．idea |
He wanted _________ an inventor .
A．to be B．being C．is
___________ is better than to receive.
A．To give B．Give C．Have given
We have helped the animals in danger _________ it has still a lot of things to do .
A．so B．and C．but
Most of the pandas are living in the __________ .
A. nature Reserves B. Nature Reserves C. nature Reserves
We need _________ more exercises every day.
A. to do B. doing C. do