l don't know how l can work out this physics probiem.改为同意句l don't know ____ ____ work out this physics probiem

l don't know how l can work out this physics probiem.改为同意句l don't know ____ ____ work out this physics probiem
l don't know how l can work out this physics probiem.改为同意句
l don't know ____ ____ work out this physics probiem

l don't know how l can work out this physics probiem.改为同意句l don't know ____ ____ work out this physics probiem
how to
希望对你有所帮助,有不明白的可以再问

how to