I first met Lisa three years ago. She ________ at a radio shop at the time.
A:worked
B:was working
C:has worked
D: has been working
1953年,《人民日报》发表元旦社论,写道:“工业化──这是我国人民百年来梦寐以求的理想,这是我国人民不再受帝国主义欺负不再过穷困生活的基本保证,因此这是全国人民的最高利益。”与此材料相关的历史事件是( )
用大小相等的小正方形(阴影部分)按一定规律拼成下列图形,拼成第1个图形需要2个小正方形,拼第2个图形需要6个小正方形,拼第3个图形需要12个小正方形……那么第5个图形中需要小正方形____个, 第n个图形中需要小正方形____个.
根据首字母提示完成下列短文。
A good class monitor gets on well w____ classmates and likes to h____ others. He often cleans the classroom and makes the classroom c____ just like h____. C____ him to be your monitor.
–Oh, I _______ the flowers in my garden.