题目内容：

高一英语定语从句非谓语求解释,
1.there were some chairs left over ___ everyone had sat down.
A.When.B until.C.That d.Where
选什么
3.The last time we had great fun was ___ we were visiting the water park.
A where.B when
A,
4.students are always interested in finding out ____ they can go with a new teacher.
A how far.B.How soon.C.How often.D how long
A,
5she"ll never forget her stay there ___she found her son who had gone missing two years before.
A that.B which.C where.D when
D,
6.she is very dear to us.we have been prepared to do ___it takes to save her life.
A whichever.B.However.C.Whatever.D.Whoever?
D
7.______a certain doubt.Among the people as to the practical value of the project .
A It has.B they have.C.It remains.D there remains
B
左边的是正确答案,有的右边打问号的是我选错的,题目中的问号大可忽略~