【黑龙江省龙东地区2015年中考英语试题】—Many people talk about "Didi". I really wonder ______.—You call to order a taxi through it on your mobile phone easily.A. how can I use themB. who uses them mostC. what they are used for
_________ my mother was washing clothes, my father was reading books.
When the first ______ came to the US, they were hungry as they have nothing to eat.
Spring is the best _______ of the year, because we can see lots of beautiful flowers.
I ________ the room yesterday, so it is not dirty today.
When the sun shines, the clouds _________ , and we can see everything much better.