Fill in the blanks with the expressions given below. Each expression can be used only once. Just write the letter that represents the expression.( 只写字母代号即可 ) A. prepared for B. is bound to C. stand up for D. in favor of E. speculate about F. in the company of G. in the form of H. are liable to I. invested J. in succession Young people should enter into a broad flexible training program, through which they can learn a lot and be___________ their future careers.