Global warming sometimes feels like a problem that’s very far away from our lives,only the government needs to worry about.
The book was written in 1946, _______ the education system has witnessed great changes.
He ______ be sitting at the gate, waiting for his lost son.
It is often recommended that children _______ chances to get close to nature.
If you _____ the bottle and cigarettes, you we’ll be much healthier.
— Will 1000 dollars ______ the bill?— Of course, more than sufficient.