I prefer ________his new idea.
A.try out B.to try out C.trying out
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