______, it is best not to let children sleep in the parents’ bed, since this can easily become a habit.

(单选题)—______ I hand in the report today?—No, you needn’t. (单选题)The hotel is very old. It’s one of ______ buildings in the c (单选题)—______ did you stop playing?—Because I was tired. (单选题)More and more young people go skating ______ winter. (单选题)My father is a worker. ______ is very kind. (单选题)In the author’s opinion, the four books ______. (单选题)In which part of a magazine would you probably find this pas (单选题)According to the author, people who are lacking in personal (单选题)What can be inferred from the last sentence in the passage? (单选题)The author answers the question raised in the first paragrap