4.I don't like the ones (= those ) who talk big.

3.Those who are not fit for their work should leave office at once

2.Anyone who (=Whoever) failed to come to the meeting yesterday must give his reason .

1.The person I want to learn from is the one who studies hard and works well.

1. Here's the English grammar which, as I have told you, will help improve your English.

(5) 先行词本身是that, 宜用which . 如：

What's that which she is looking at?

(6) 先行词是those+复数名词. 如：

A shop should keep a stock of those goods which sell best.

(B) who & that:

who 和 that 指代人时，有些情况宜用who, 而不宜用that

(1) 先行词为anyone, anybody, those, all, one, ones, they, he, people时. 如：

2. At the station I bought some magazines that might help me to pass the time on the train and which I could pass on to others when I finished them.

(4) 当关系代词后面带有插入语时. 如：

1. Let me show you the novel，that I borrowed from the library which was newly open to us.

2.More and more people are beginning to learn English, which is becoming very popular in our country. (which指代主句)

(3) 在一个句子中有两个定语从句，其中一个定语从句的关系代词用了that, 另一个宜用which . 如：

1.Crusoe's dog, which was are now very old, became ill and died .

2.Is this the room in which Mr. White lives?

(2) 在非限制性定语从句中. 如：