Where were you before you came here?I___(stay) in the UK for half a year

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• Where were you before you came here?I___(stay) in the UK for half a year
• He said he ___(stay)here for another two days.The doctor said Jim must__(operate)on at once''____the bridge___(repair)yet?''''yes the workers ___already____(repair)it''We are in Grade one this year,so we____(teach)physice next year''Where were you last might?''''I__(ask)to help Tom at homeHis father usually ___(take)a walk after supper before请解释一下第四题和第五题
• Where were you before you came here?I___(stay) in the UK for half a year.
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