Question

英语语法问题

1.Scientists think that the continents __always where they __ today
A.aren't are B.aren't were C.weren't are D. weren't were
2.We went through a period __communications were very difficult in rural areas.
A.which B.whose C.in which D.with which
3.Later in this chapter cases will be introduced to readers __consumer complaints have resulted in changes in the law.
A.where B.when C.who D. which
4.The schools themselves admit that not all children will be successful in the jobs __the are being trained.
A.in which B. for which
5.The village has developed a lot ___ we learned farming two years ago
A.when B.which。 C.that D.where
6.Occasions are quite rare ___ I have the time to spend a day with my kids.
A.who B.which C.why D.when
7.For many cities in the world , there is no room to spread out further ___New York is an example.(请顺便翻译一下这一句）

A.for which B.in which C.of which D.from which.

每道题都解释一下。谢谢

Answer 1

1C,第一个是过去的状态，第二个现在
2C时间状语从句，in the period
3A定语从句，case抽象的用where
4BThe students are being training for the job.
5D定语从句，修饰the village ,我们两年前学习种地的村子
6D定语从句，occasion用when,situataion用where
7C an example of which 固定结构。对于世界上许多城市来说，没有更大的发展空间了，纽约就是个例子。

Answer 2

1—C：很显然第一个空是说过去的情况，因此用weren't，而后一个空是说现在，用are.
2—C: in which = when,前面时间状语，后用when引导的定语从句。
3—
没时间啦，走开一下。