The traditional approach () with complex problems is to break them down into smaller, more easily managed problems.

单项选择题The new students in Class One intended to visit Mr. Tai()the weather got worse.

A. lest
B. unless
C. providing
D. until

单项选择题Here's a man who just breaks into a bank and helps himself () so much money.

A. to
B. by
C. for
D. on