Unit 16 定语从句

Ⅰ.单项填空

1．She wore, ________ was very uncommon in the country, a white pair of shoes.

A．which        B．as       C．what        D．that

解析：as引导非限制性定语从句，修饰整个句子。

答案：B

2．The manager had to go to Beijing on business on June 23, ________ happened to be his

only son’s birthday.

A．when        B．which     C．who       D．then

解析：先行词为June 23，which在非限制性定语从句中作主语。

答案：B

3．He is always behaving rudely, ________I guess is why people avoid him.

A．which        B．who      C．that        D．what

解析：本句中先行部分为前面整个句子，用which。

答案：A

4．All of the flowers now raised here have developed from those ________ in the forest.

A．once they grew              B．they grew once[来源:学科网]

C．that once grew               D．once grew

解析：that引导定语从句，指those(flowers)，在从句中作主语；once一度，曾经；

grew，过去式，生长。

答案：C

5．Her sister has become a lawyer, ________ she wanted to be.

A．who      B．what      C．that      D．which

解析：先行词lawyer在定语从句中作表语，而且又是非限制性定语从句，故引导词

用which。