Normally you could stay with us, but our house ______ at the moment.
Keep away from such persons __________ will do you no good.
----Recent years have _______ rapid changes of my hometown. ----Yes, I could hardly recognize it when I arrived yesterday.
I like getting up very early in summer. The morning air is so good ___________.
____ the terrible weather and the possible dangers ahead in the mountains, he insisted on going there alone.
________ by the advances in technology, many farmers have set up wind farms on their land.