1．It’s high time we ________ effective ________to improve your working conditions.
A.take;means B.made;measures C.took;measures D.do;actions
2．----- Is there anyone who is going to the Great Wall? ----______ .
A. None B. No one C. No D. Not any
3． In the west, people make _______ a rule to send Christmas present to th eir relatives and friends.
A. this B. that
C. it D. the following
