My mother lots of things and took the subway back home yesterday.A. buysB. boughtC. is buy

问题补充：

My mother lots of things and took the subway back home yesterday.

A. buys

B. bought

C. is buying

D. is going to buy

答案：

A. buys

(答案→)B. bought

C. is buying

D. is going to buy

解析：考查时态。根据时间状语yesterday，可知句子要用一般过去时，所以选B，bought和took是并列谓语。