He put a book on the desk and_____(stand)there quietly.
问题描述:
He put a book on the desk and_____(stand)there quietly.
答
stood.站在,stand的过去时态。put的过去时是put,没有改变。
答
He put a book on the desk and_stand_(stood)there quietly.
and连接两个并列句,前面的句子用out动词过去式,后面也应该用过去时.