Britain, as well as many other industrialized countries, ______ major changes in the past 100 years.
Hawking is known _________ the greatest scientist alive.
“China is still a developing country ___________.” said Premier Li at the conference.
The policeman warned us ___________ believe such liars again.
I am sure that if you _____________ your time, you’ll achieve greater success.
He got home late ____________ the traffic was heavy.