________ by the advances in technology, many farmers have set up wind farms on their land.
Looking around on the crowded bus,he caught a man _______ his hand into the pocket of an old man.
_______ in the fields on a March afternoon, he could feel the warmth of spring.
How can you bear the mess here in the classroom?Get it _______ right away!
We stood_______ to the strange-looking animal so that we could watch it_______.
_______in the wall behind the kitchen, the door was hard to find.