B)extend (长度,面积,时间等)延伸,扩大;给予;extend a railway 延长一条铁路;The bank has promised to extend your company credit. 银行已经答应向你们公司提供信用贷款。The headmaster extended our holiday by four days.校长把我们的假期延长了四天。
C)lengthen (使长度,时间)延长,拉长; She lengthened the skirt. 她把裙子放长了。
D)prolong (尤指使时间)延长,拉长(只做及物动词); prolong a visit 延长访问;The delegation decided to prolong their visit by one week. 代表团决定把访问延长一个星期。
4. Hes watching TV? Hes _____ to be cleaning his room.
A)known B)supposed C)regarded D)considered
4.B 他在看电视?按理他现在应该在清扫房间才对。
A)know 知道,认识,通晓,认出;be known as 被认为/称为;He is known as a great lawyer. 据称他是个大律师。
B)suppose (常用被动语态)认为应该;料想;假设;be supposed to v. 被期望或要求做某事;Suppose a company has a new breakfast cereal that it wants to sell. 假设有个公司想出售一种新的早餐麦片粥。Youre supposed to pay the bill by Friday. 你应该最迟星期五结清这笔账。
C)regard 看待, 注视, 重视, 尊敬, 关系;I have always regarded him highly. 我总把他看得很高。He did not regard my advice at all. 他根本不把我的劝告放在心中。
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