she ______ [arrive] I ______ [telephone] Harry.
[= She arrived during my telephone call]
举一反三
- When she _______(arrive) I _________(telephone) Harry. (= She arrived during my telephone call.)
- When she _______ (arrive) I_______________ (telephone) Harry. (=She arrived during my telephonecall.) A: arrived… telephoned B: arrived…was telephoning C: was arriving…telephoned D: was arriving… was telephoning
- When she (arrive) __________ I (telephone) _______________ Harry.
- When he , I Harry.（=She arrived during my telephone call.） A: arrived, was telephoning B: was arriving, telephoned C: arrives, was telephoning D: was arriving, was telephoning
- When she _____________ (arrive)I __________ (telephone) Harry. (= I telephoned after her arrival.) A: arrived… telephoned B: arrived…was telephoning C: was arriving…telephoned D: was arriving… was telephoning
内容
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10. We will inform you by telephone when the book is ___________.[音频]
- 1
p>[span][span]一般来说，材料的[/][/][span]HB[/][span][span]指标越[/][/][span][span]低[/][/][span][span]，[/][/][span][span]其[/][/][span][span]耐磨性越好。[/][/][br][/br]</p
- 2
p>[span][span]同一个[/][/][span][span]钢经过淬火后的硬度肯定比[/][/][span][span]正[/][/][span][span]火后的硬度高。[/][/][br][/br]</p
- 3
p>[span][span]奥氏体化[/][/][span][span]后[/][/][span][span]的[/][/][span][span]亚[/][/][span][span]共析钢在空气中冷却到室温时，其组织为珠光体。[/][/][br][/br]</p
- 4
p>[span][span]纯金属和共晶成分的合金铸造时[/][/][span][span]不[/][/][span][span]易形成缩松。[/][/][br][/br]</p