单项选择 适中0.65 引用2 组卷117
John ________ so hard on his project that he didn’t notice his mom enter the room.
| A．works | B．is working | C．will work | D．was working |
2019·上海黄浦·一模
类题推荐
--- Why didn’t you answer my telephone yesterday?
---Sorry. I a bath at that time.
---Sorry. I a bath at that time.
| A．took | B．take | C．am taking | D．was taking |
—I called you yesterday morning, but you didn’t answer.
—Sorry, I ________ COVID-19 vaccine (疫苗) for free then.
—Sorry, I ________ COVID-19 vaccine (疫苗) for free then.
| A．took | B．am taking | C．was taking |
—What was Mike doing at 9: 30 last night?
—He_________in the bathroom at that time.
—He_________in the bathroom at that time.
| A．took a shower | B．was taking a shower |
| C．gave a concert | D．giving a concert |
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