【正确答案】 A

【答案解析】[解析] 句意：华生先生让学生们把家庭作业交上来。本题考查的是动词词组辨析。hand in交上，递交；fill in填满，填写；get in进入，抵达。根据句意，故选A。 hand down/on把…传下去，传递。 例：Please hand on the magazine to others. 请将杂志传递给其他人。 hand out分发，散发。 例：The teacher handed the exercise books out to the students. 教师将作业本分发给学生。 hand over交出，移交。 例：When Mr. Wang gets old, he will hand over his business to his son. 当王先生年老时，他将把他的公司移交给他儿子。 hand in hand手拉手。 例：They strolled hand in hand in the street. 他们携手漫步街头。