题目内容：

They planned to (go hiking) the next day.（对括号提问） ____ did they plan to ____ the next day?
1.They planned to (go hiking) the next day.（对括号提问）
____ did they plan to ____ the next day?
2.The young should give the old the seats on the bus.（改同义句）
The young should ____ the seats the old on the bus.
3.The earthquake happened on February 22nd,2011 in New Zealand.（改同义句）
The earthquake ____ _____ on February 22nd,2011 in New Zealand.

优质解答

1.What ,do
2.give the seats to the old
3.took place