• 2021-04-14
    He has had to cook by himself ________ his mother went on business to Beijing.
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      W: Where did Tom spend his holidayM: He wished to go to London and Paris, but he didn’t have enough money, so he went to Beijing instead. Where did Tom spend his holiday(). A: In London. B: In Paris. C: In Beijing.

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      No sooner he left Beijing than his mother fell sick.

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      He ________ out when somebody called at his office. A: has just gone B: had just gone C: just went D: just now went

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      Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school. A: had left B: would leave C: was leaving D: has left

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      He has finished his homework before he went to bed.