The traditional approach___with complex problems in our studies is to break them  down into smaller,more easily managed problems.
#97829
A
to deal
B
having dealt
C
to dealing
D
being dealt
推荐题目
The book __ by him is difficult __.
#97404
A
wrote; understanding
B
written; to be understood
C
writing; understand
D
written; to understand
I can hardly imagine such a little boy ___ across the Nile.
#97327
A
swim
B
to swim
C
swimming
D
to have swum