1. used to / would
【解释】
would与used to都可用来表示过去经常性或习惯性的动作。
would只能表示反复发生的动作。如果表示过去经常性的状态,就不能用would,只能用
used to。
used to表示过去经常性或习惯性的动作或状态,但现在已经结束。would则表示有可能再
发生。
【练习】用used to或would填空。
1). When we were boys we ________ go swimming every summer.
2). He ________ be very poor.
3). People ________ believe that the earth was flat.
4). He ________ go to the park as soon as he was free.
2. interrupt / disturb / bother
【解释】
interrupt意为"打断,中断",尤指中断某活动的连续性。
disturb意为"因焦虑、失望、困惑等情感因素而使人心绪收到明显干扰"。
bother意为"扰乱某人心绪而使人不能专心或专一"。
【练习】选择interrupt,disturb,bother的正确形式填空。
1). She was _______ to hear of your illness.
2). I' m sorry to _______ the meeting, but there is an urgent long-distance call for Mr. Zhou.
3). Don' t _______ yourself too much about me.
4). We _________ in the middle of our conversation.
3. assume / suppose / presume
【解释】
assume"假定,设想",用于逻辑推理,强调一种缺乏证据的结论,以检验某种建议。
suppose意为"根据一定证据作出的见解",最不正式。
presume意为"某人以过去的经验作为依据,对某事作出合乎逻辑的推测"。
【练习】选择assume,suppose,presume的正确形式填空。
1). I _______ that he has gone for a walk.
2). We _______ the situation will improve.
3). From the available data it may be _______ that the writer was very famous in the 4th century.
Ⅱ.词性变化(旨在提供语法填空所需材料)
1. alternative n.[c]替换物
adj.选择性的,二中择一的 alternatively adv. 作为选择,二者择一
2. accuracy n.[u]精确性,正确度 accurate adj. 正确的,精确的inaccurate adj.不准确的 accurately adv.正确地,精确地inaccurately adv. 不准确地
3. assume vt.假定;设想;
采用;承担 assumption n. 假定,设想,假装,就职 assumed adj. 假定的,假装的,装的