【山东省临沂市2015年中考英语试题】The police wondered_____.
—Would you please tell me what to ________ my secondhand car?—Sorry, I really don't know how to ________ it.
Remember to look around ________ you cross the road, boys and girls.
You'd better spend as much time as you can________ Maths and English.
You should try your best to learn to swim ________ Tom.
Excuse me, you ________ open the door before the bus stops.