请教英语能手1）The boxes are so heavy that he can only carry ___.1.

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请教英语能手
1）The boxes are so heavy that he can only carry ___.1.at one time 2.at a time 3.at the same time 为什麼不是3?
2） --i don't need the book tonight .
---_____,i 'll keep it until tomorrow.
1.in case 2.in any case 3.in that case 4.in case of
答案是3为什麼
3）---Brad is Jane's brother.
_____he reminds me so much of Jance!
1.no doubt 2.above all 3.no wonder 4.of course
答案是3为什麼不是1?
4）Although____ten years ago,the machine is still in good condition.
1.make 2.makes 3.made 4.making
答案为什麼是3?
5） i just want to make sure you know where __
1.going 2.to go
为什麼是3?

1）.at one time 表示曾经;一度
at a time 表示一次,句意为那些箱子太重了以至于他只能搬起来一次.
at the same time 表示同时,放在句中句意不符.
所以答案是 2.
2）.in case 表示假使,万一,
in any case 表示在任何情况下,
in that case 字面意思是在那种情况下,意译为那样的话; 既然如此,放在句中符合句意.
in case of 表示假如;万一
综上,选 3.
3）.no doubt 是毫无疑问的意思,no wonder 是怪不得的意思
4）.句子意思是虽然（这台机器）于十年前（被）制造,这台机器仍处于良好状态.
从句中制造的主语是这台机器,机器与制造之间是被动关系,应该用Although the machine was made ten years ago,
但当 although 引导的从句与主句的主语相同,这时将从句中的主语the machine 和动词 was 省略,因此从句就成了 Although made ten years ago,所以答案是 3.
5）.动词ing形式doing表示经常性的动作,动词不定式to do 表示一次性的动作,
句子意思是我只是确定你想去哪儿?
这里去哪儿只是这一次的动作,是一次性的,因此选 3.

请教英语能手1）The boxes are so heavy that he can only carry ___.1. The boxes areso heavy that he can only carry one_______. A.a the bags are so heavy that he can't carry them,保持句意 He is so weak that he can't carry the heavy box（改为简单句） He looks so strong that he can carry the heavy box easily.改成 He is so strong that he can carry the heavy box变同义 The boy is so strong that he can carry the heavy box.同义句 The young man is so strong that he can carry the heavy box.( The young man is so srong that he can carry the heavy box的同义 They are heavy boxes that you can’t carry many at a time. 同义句转换The boy is so young that he can't carry this heavy box. 1.The boy is strong. He can carry that heavy suitcase.（合成一句）