Jim wih his good friends ____(be)helpful.They often help me _____(with,of)my homework.
问题描述：
Jim wih his good friends ____(be)helpful.They often help me _____(with,of)my homework.
答
is his good friends不算是主语中的一部分，只是伴随状语。
with 有个固定短语是help sb with sth
答
is
with