高一英语语法 用所给词的适当形式填空
-I didn't know you were good friends.
-You ___(can have).I have known her since she moved here.You were studying abroad then.
-Where is my dictionary?
-Somebody __(must take)it away by mistake.
He didn't hear the bell ring.he __(must be)asleep.
人气:265 ℃ 时间:2020-02-03 13:51:23
解答
couldn't have
must have taken
must have been
推荐
猜你喜欢
- 一项工程,由甲队单独做需要10天完成,由乙队单独做需要15天完成.如果甲队先做1天后,乙加入一同合作.
- sin(α+π/3)+sinα=负5分之4根号3 α∈(-π/2,0)求cosα
- 互斥事件能推出对立事件,但是对立事件推不出互斥事件
- 一项工程甲队单独要做二十天完成,乙队单独要做三十天完成.如果两队先合作九天,剩下的的甲队独做还需要几天完成
- 硫酸盐不溶硫酸钡,硫酸钡是指硫酸钡溶液吗?氯化物不溶氯化银,是指氯化银溶液吗?
- 谁帮我翻译一下习语:“people who live in glass houses should not throw stones"?
- 某温度下,将1000g18%的A物质的溶液分成等质量的两份,请回答:1)取其中一份溶液,蒸发掉60g水,有2.5g
- 溶质质量为什么=浓度×溶液体积×摩尔质量?