Teenagers should learn to protect (保护) ______from all kinds of dangers. A．themB

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Teenagers should learn to protect (保护) ______from all kinds of dangers.

A．them

B．they

C．their

D．themselves

答案

解析

试题分析：句意：青少年应该学会保护自己避免各种危险。A他们，宾格，用在动词或介词后作宾语，B他们，主格，作主语，C他们的，形容词性物主代词，修饰名词，D他们自己，反身代词，只能做宾语和同位语。指动作作用在自己身上。结合句意及结构故选D。

举一反三

Linda’s mother used to be ________ university teacher. She taught maths.

A．the

B．a

C．an

D．/

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—_____ do you go to the zoo with your brother?
—Three times a month.

A．How long

B．How often

C．How old

D．How much

题型：不详难度：| 查看答案

Do you know how to learn English well as _________ second language?

A．a

B．an

C．the

D．/

题型：不详难度：| 查看答案

This is _____ ruler, and that is ______ ID card.
A.an;an B. a, an C. an,a

题型：不详难度：| 查看答案

Victor has ______ aunt and two uncles.
A. a B. an C. the

题型：不详难度：| 查看答案