对括号部分提问：1.We bought (slice of pizza) yesterday.2.They ate some ice cream (this morning).还有：3.(We) bought some book this afternoon.4.They bought (some newspapers) this afternoon.
问题描述：
对括号部分提问：1.We bought (slice of pizza) yesterday.2.They ate some ice cream (this morning).
还有：
3.(We) bought some book this afternoon.
4.They bought (some newspapers) this afternoon.
答