More strict measures to protect Heihe River Basin in a few years．
A.have been taken B.will be taken
C.were taken D.had taken
﹣﹣Why not go into the classroom？
﹣﹣The door locked．
A.have been B.will be C.has been D.is
If you've ______ those things that seem impossible，you will succeed finally．
A.gone through B.gone over C.gone by D.gone back
I used to have words with my parents，but now we ______ fine．
A.look out B.stay up C.carry on D.get along
Four years later，she became the first woman _____ a degree in agriculture from that famous school．
A.receiving B.received
C.being received D.to receive
It is at Christmas _____ thousands of young people go skiing in the mountain．
A.how B.which C.when D.that
