nothing __ our understanding of the math problem 应填added/add
nothing __ our understanding of the math problem 应填added/add
nothing added to our understanding of the math problem
People ( ) a general understanding of the water problem.
People (?) a general understanding of the water problem
The snowstorm added to our difficulties.为什么要加to,add是及物动词呀
Can you __ __ this math problem?
The math problem is
( )the math problem( 0.
it is nothing but time A.to add B.to be added c.adding D.add
the math problem is ___ __ ___difficult 这个数学题有点难
My math teacher doesn't mind what way I solve the problem __
The math problem is so difficult,I don't know __ A how to do