If people feel hopeless, they don't bother to () the skills they need to succ...

李老师

If people feel hopeless, they don't bother to () the skills they need to succee##
A. adopt
B. accumulate
C. acquire
D. assemble
      满分：2  分
2.  During the tourist season, there are many people wandering in this city to see the old castles () in the sixteenth century.
A. to be built
B. being built
C. having been built
D. built
      满分：2  分
3.  The professor could hardly find sufficient grounds ()his arguments in favor of the new theory.
A. to be based on
B. to base on
C. which to base on
D. on which to base
      满分：2  分
4.  () the essay a second time, the hidden meaning will become clearer to you.
A. While reading
B. After reading
C. Your having read
D. When you read
      满分：2  分
5.  Everyone hopes that we can do something to make things better, so we can’t help () under