用动词的适当形式填空Yang Ling(be)________ eleven years old last year.
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用动词的适当形式填空They (be)________ on the farm a moment ago.
Mary walked to school yesterday.第一空:改为否定句第二空:改为一般疑问句
We washed clothes last week.第一空:改为否定句第二空:改为一般疑问句
Tom was a fireman.第一空:改为否定句第二空:改为一般疑问句