At the shopping centre, she didn’t know what and with an empty bag.
A. to buy, left
B. to buy, leave
C. to be bought, left
D. was to buy, leave
网友回答
A. to buy, left
B. to buy, leave
C. to be bought, left
(答案→)D. was to buy, leave
解析：本题考查时态。句中what was to buy将要买什么，leave和buy都做what was to并列成分。句意：她在购物中心里不知道该买什么，就带着空兜子离开了。