15.-Could we see each other at 3 o'clock this afternoon？

-Sorry，let's make it 　　 time.

解析：句意：-我们下午三点见面好吗？--对不起，还是另外约个时间吧。another指(同类中的)另外一个。

答案：another

14.-Do you want tea or coffee？

-　　.I really don't mind.

解析：根据“I really don't mind.”可知茶和咖啡两者中任何一种都行，所以用either(两者中的任何一个)。

答案：Either

13.Make sure you've got passports and tickets and 　　 before you leave.

解析：句意：你离开之前务必要带着护照、车票和所需的全部东西。everything 一切；一切东西。

答案：everything

12.-I'd like some more cheese.

-Sorry，there's 　　 left.

解析：根据上下语境可知没有cheese，所以用none(三个或者三个以上都不)代替。

答案：none

11.It was hard for him to learn English in a family，in which 　　 of the parents

spoke the language.

解析：句意：对他来说，在家里学习英语很难，因为他的父母都不讲英语。neither两者都不。

答案：neither

10.The English spoken in the United States is only slightly different

from 　　 spoken in England.

解析：此处用that代替前面已出现过的名词(通常有后置定语)，以避免重复。此句中that代替the English。

答案：that

9.Many fast­growing countries are less concerned with protecting 　　 against climate change.

解析：protect oneself表示“自我保护”。

答案：themselves

8.Nine in ten parents said there were significant differences in their approach to educating their children compared with　　of their parents.

解析：从句意可知，所填代词代替的是前面的approach，因此用that，相当于the approach。

答案：that

7.I felt so bad all day yesterday that I decided this morning I couldn't face　　day like that.

解析：句意为：我昨天一天都很难受，以至于我今天早晨决定再也不能面对像那样的一天了。another表示“又一，另一；别的，另外的；类似的，相似的”，符合句意。

答案：another

6.I like this house with a beautiful garden in front，but I don't have enough money to buy　　.

解析：it用来替代前面提到的同一事物，该句中指这套房子。

答案：it