25. Before the bridge-tunnel opened on October 31, 2009, Chongming Island was only accessible _____ferry.
A. to B. on C. in D. by
26. How _____ to their children has a strong influence on the character of the children.
A. parents are close B. are parents close
C. close parents are D. close are parents
27. -- Mary, now you have a chance to study in Singapore for a year as an exchange student. Are you interested?
-- _____ that be true? Of course I’ll go.
A. May B. Might C. Can D. Must
28. More than 52 types of new weapon systems _____ with China’s own technology were displayed in the National Day military parade.
A. developing B. developed C. being developed D. to be developed
