问题补充：
用括号内所给动词的适当形式填空。
【小题1】When I got home, my parents were discussing (discuss) the traveling plan happily.
【小题2】The students will not go to the Summer Palace if it rains ( rain) tomorrow.
【小题3】He didn’t realize (not realize) the importance of learning English until two years ago.
【小题4】Many people are against smoking (smoke) in public places.
【小题5】The queen refused to accept (accept ) an interview when she went to Africa.
【小题6】I hear that you have lain (lie) in bed for a lot of days. Are you feeling better now?
【小题7】---Where is Jack? --- He is riding (ride) an indoor roller coaster over there.
【小题8】I like reading the book very much. I will renew (renew) it in a week.
答案：
解析：
【小题1】句意：当我回家的时候，我的父母正在愉快地讨论旅游规划。根据句意该用过去进行时，所以填写were discussing。
【小题2】句意：如果明天下雨，学生们将不会去颐和园。主句用的是一般将来时，所以在条件状语从句中只能用一般现在时，故填写rains。
【小题3】句意：直到两年前他才认识到学习英语的重要性。由two years ago 知该用一般过去时态，所以填写didn’t realize。
【小题4】句意：很多人都反对在公共场所吸烟。所填词跟在介词against之后，故填写动名词 smoking。
【小题5】句意：女王去非洲时拒绝接受采访。Refuse to do sth拒绝做某事，所以填写to accept。
【小题6】句意：我听说你在病了好多天。你现在觉得好点儿了吗？根据for a lot of days 可知该用现在完成时，所以填写have lain。
【小题7】句意：杰克在哪里？他在那里玩室内过山车。根据句意该用现在进行时，所以填写is riding。
【小题8】句意：我很喜欢读这本书。我续借一周。根据句意该用一般将来时，所以填写will renew。
用括号内所给动词的适当形式填空。【小题1】When I got home my parents were discussing (discuss) the traveling p
