阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式．
A man got lost in a desert．He walked for two（61） （day）but he still couldn't find his way out．
Dying for water，he found（62） empty house in the desert．There was a water pump（泵） in the house!
The man was so happy（63） he ran to draw water．But no matter how hard he tried，no water came out．
He（64） （sit）sadly on the ground when he saw a little bottle with a cork（软木塞） in it．On the bottle，there was an old note saying：You must add the water into the pump before you can draw water!
Don't forget（65） （fill）it with water again before you leave! The man took the cork out and（66） （happy）found the bottle was full of water!
"If I'm selfish，as long as I drink the water，I can go out（67） this room alive，"he thought，"If I do as the note said，I might die of thirst．Should I take the risk or not？"
At last，he decided to do as the note said（68） began to draw water．Lots of water started coming out from the pump! （69） a big surprise!
After he（70） （drink）enough，he filled the bottle with water and added his words after the note．
"Believe me，do as the note tells you!" he wrote．
of the students in our class_____going to the summer camp in Beijing next week．（ ）
A．Two fifths，isB．Second fifths， are
C．Second fifths， isD．Two fifths， are
﹣﹣﹣Listen! Is that Linda playing the piano in the room？
﹣﹣﹣No． It be Linda， she has gone to London．（ ）
A．may notB．needn'tC．can'tD．mustn't
Don't today's work for tomorrow．Today's work must be done today．（ ）
A．put upB．put outC．put offD．give up
I tried calling you your phone was out of service．（ ）
A．andB．butC．soD．or
﹣﹣﹣Look! They are ．
﹣﹣﹣Yes． We are proud of them．（ ）
A．man scientistB．women scientists
C．woman scientistsD．man scientists