--I didn’t get time to ask you why you looked so upset at the party. -- Oh, a lot of unexpected things _____.
The country’s populationsmall, and most of its populationin the mountainous areas.
Contemporary English is quite different from Old English. There has never been a year____the language was not changing.
To help a friend solve the problem troubling him,.
Not until all the fish died in the riverhow specious the pollution was.
a reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year.