The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees.
You can’t be too careful to drive your car in the city now. Your car ________ missed a cyclist a moment ago.
--What kind of apartment do you want to rent? A large one, Mr. Smith? --Er, it ________ be a large one, as my family is not large.
This is probably the only way we can imagine ________ the current economic problems in Europe.
You are creating something out of nothing, ________ means, in one sense, ________ none of it is true.
Nothing is more important than health, so it is unwise to build up our business ________ our health.