根据句子时态,用所给be动词或其他动词的时态形式填空
lastweekendwe------------athome(notstay)
---------thereanypeopleintheswimmingpooljustnow?(be)
where---------thewoman----------lotsofvegetablesyesterday?(buy)
theweather-----------coldandhumidinkunmingonmay18th(be)
she----------mypenpalthreeyearsago.(notbe)
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