— How do you find the town you visited yesterday?— The town has changed out of all ______ in the past 20 years, a completely new one in front of me.
The sunspot came into its active stage, __________ that happens once every eleven years.
It’s already 10’clock. I wonder how it ____ that she was two hours late on such a short trip.
Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).
___ the temperature might drop, coal was prepared for warming.
We had a really bad time about six months ago but now things are ____.