单项选择 适中0.65 引用1 组卷38
I have to stay at home alone because my parents will go away _____ for a few days.
| A．on duty | B．on business |
| C．on sale | D．on show |
22-23九年级上·辽宁·期中
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—It’s the highest temperature on ________ in this area.
—Agreed. Terribly hot!
—Agreed. Terribly hot!
| A．business | B．line | C．record | D．time |
Tina and Tom saw a tall alien with a round head and a silver body, and ran away ________.
| A．at birth | B．on business | C．in fear | D．by chance |
—You look so happy, Tony. What happened?
—I met my old friend ________. We haven’t seen each other for years.
—I met my old friend ________. We haven’t seen each other for years.
| A．on business | B．in trouble | C．by chance | D．at least |
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