Once new difficulties  ________in your work, it’s always important to use your brains.

A.arise     B.raise      C.arouse      D.rise

Once new difficulties _________ in your work, it’s always important to use your brains．

Once new difficulties _____ in our new job, we should learn to use our brain to deal with it.

A．rise              B．arise             C．raise             D．come

Once new difficulties _________ in your work, it’s always important to use your brains．

Once new difficulties _____ in our new job, we should learn to use our brain to deal with it.