用所.给短语的适当形式填空（10分）
a wonderful experience ,more than ,get bad marks,on earth,all the time
【小题1】What did you talk about just now?
【小题2】Travelling around the space will be for us .
【小题3】I’m afraid I in the ing exam.
【小题4】He has traveled ten cities.
85.His dog follows him everywhere .on earth
网友回答
(答案→)on earth
解析：
【小题1】on earth，表示究竟的意思。
【小题2】根据文章内容Travelling around the space，可知答案为,a wonderful experience
【小题3】根据后文的内容in the ing exam，可知答案为will get bad mark
【小题4】More than表示超过的意思。
【小题5】do sth all the time，表示一直做某件事。