【推荐1】   The   scientist   spent   years   alone   in   the   forest,   ______   by   eating   wild   fruit   and   small   animals.

A．surviving	B．survived
C．to survive	D．having survived

【推荐2】______ a little money, Jimmy was able to buy his mother a lovely new lamp.

A．To save

B．Saving

C．Saved

D．Having saved

【推荐3】You really don’t know what we ______ while ______ on this project.

A．went through; worked	B．went through; working
C．got through; worked	D．got through; working

【推荐1】________ it many times, I still can’t make Tom understand what I said.

A．Explaining

B．Having explained

C．Explained

D．To explain

【推荐2】Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.

A．disappeared

B．disappearing

C．disappear

D．having disappeared

【推荐3】___________the car about a kilometer from the stadium, I walked the rest of the way.

A．Parking	B．Having parked
C．Park	D．To park

【推荐2】Nowhere else ______________ than in the high-tech industries．

A．more software is being developed	B．is more software being developed
C．is being developed more software	D．being developed more software

【推荐3】______ from their parents for half a year, the students couldn’t wait to go back home.

A．Separating	B．To be separated
C．Having separated	D．Having been separated