They considered ______a computer, which was considered ______a great help in the

题型：不详难度：来源：

They considered ______a computer, which was considered ______a great help in their work．

A．to buy; to be

B．buying; being

C．to buy; being

D．buying; to be

答案

D   

解析

试题分析：考查consider的用法：consider大致有两种含义。consider作“考虑”解，后面接动名词， Consider作“认为”解时，常用于consider+sb./sth.+不定式。认为…是…，句意：他们在考虑买个电脑，我们认为这可以对他们的工作有很大帮助。选D。
点评：consider大致有两种含义。含义不同，用法有别。现归纳如下。一、consider作 “考虑”解，常用于以下句型： 1Consider+n./pron./v-ing 2 .Consider+从句/ “疑问词+不定式”。二． Consider作 “认为”解时，常用于以下句型： 1． Consider sb./sth+.(as)+形容词/名词。其中， as可以省略。2.consider+sb./sth.+不定式。其中，不定式通常是tobe(可以省略)或其他动词的完成式。3.consider+it+形容词/名词+不定式短语。4.consider+宾语从句。