There are two motivations for help: executive help and instrumental help. The former does not make any attempts or efforts, but only wants to know the answer or let others complete the task on its own; the latter is based on the strength of others to solve the problem on their own Or achieve the goal. According to the above definition, Which of the following are instrumental help:. ['Mom has a lot of interest classes for Xiaoming, who is five years old. Xiaoming has made many new friends in the interest classes.', 'After the tutor explained the idea and principle of this question patiently, Xiao Bin still asked the teacher to give the answer directly.', 'Synthesizing the opinions provided by many consulting agencies, Xiaofeng drafted a study abroad plan that meets his own conditions.', 'Every time I read an English article and encounter a new word, I will consult an electronic dictionary to grasp the pronunciation and meaning of the new word.']