【单选题】【消耗次数:1】
That day he ___ his clothes before he came to see me.
has washed
washed
had been washing
was washed
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相关题目
【单选题】 That day he ___________ his clothes before he came to see me.
①  has washed
②  washed
③  had been washing
④  was washed
【单选题】 That day he_______his clothes before he came to see me.
①  has washed
②  washed
③  had been washing
④  was washed
【单选题】 I went to the doctors yesterday. I had to wait for half an hour before he________see me.
①  can
②  may
③  might
④  could
【单选题】 I went to the doctor’s yesterday. I had to wait for half an hour before he ___ see me.
①  ?can
②  ?may
③  ?might
④  ?could
【单选题】 5. I went to the doctor’s yesterday. I had to wait for half an hour before he _____ see me.
①  can
②  may
③  might
④  could
【判断题】 Do you have any clothes washed today? The maid asked.
①  正确
②  错误
【单选题】 ___ he does has nothing to do with me.
①  Whatever
②  No matter what
③  That
④  If
【单选题】 My uncle ___ to see me. He’ll be here soon.
①  comes
②  is coming
③  had come
④  came
【单选题】 My uncle _________ to see me. He’ll be here soon.
①  comes
②  is coming
③  had come
④  came
【单选题】 He lent his bag [填空] me.
①  from
②  to
③  for
④  in
随机题目
【判断题】 车削细长轴工件若不采取措施,会车出腰鼓形工件。
①  正确
②  错误
【判断题】 可调支承一般每件都要调整一次,而辅助支承可每批调整一次。
①  正确
②  错误
【单选题】 符合正态分布的加工误差落在均值两边±3σ范围内的概率为()。
①  99.73%
②  5%
③  0.27%
④  95%
【单选题】 构成工序的要素之一是()。
①  同一台机床
②  同一套夹具
③  同一个加工表面
④  同一把刀具
【单选题】 对下述材料进行相应的热处理时,可改善其可加工性的方法是()
①  铸件时效处理
②  高碳钢球化退火处理
③  中碳钢调质处理
④  低碳钢过冷处理
【单选题】 在刀具的标注角度中,影响排屑方向的标注角度主要是()。
①  刃倾角
②  主偏角
③  后角
④  前角
【单选题】 车削模数蜗杆时千万螺距误差的原因是()
①  配换齿轮
②  刀具变形
③  夹具变形
④  工件变形
【单选题】 当某种材料的可加工性比较好时,其相对加工性的值应该()。
①  小于1
②  大于1
③  等于1
④  等于0
【单选题】 定位元件为长圆柱销时,可限制工件()个自由度。
①  2
②  1
③  5
④  4
【单选题】 在大量生产零件时,为了提高机械加工效率,通常加工尺寸精度的获得方法为()。
①  调整法
②  划线找正安装法
③  成形运动法
④  试切法