67. be ashamed at sth. 为某事感到羞愧;be ashamed for 为某人感到羞愧 68. ask for sth. 请求;ask sb. for sth. 向某人索取某物;ask sb. to do sth. 要求某人做某事 69. every aspect of=all the aspects of 各个方面 70. assist sb. with sth./assist sb. in doing...
（1） 'Used to' describes repeated actionsor habits in the past.“Used to” 可以描述过去时常做的事情或过去的习惯。I used toplay football after school.（2） 'Used to' describes statesor things that happened over a long period of time.“Used to” 可...
(答案:A.有具体的时间状语要用过去时。) 2、used to do sth:过去常常做… 例:I used to take a walk in the morning. 我过去是在早晨散步。(意味着现在不在早晨散步了。) 3、it is high time (that)…句型中,谓语动词用过去时。 例:Don't you think it is time you __...
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