They ______ a small laboratory and devoted every spare moment to this work.

duty of taking good care of my parents, I have decided to work in Quanzhou, which is close to my hometown.

He offered me some , and I think it is worth .

_____ do you spell “book” — B-O-O-K.

Now the government is trying to solve the problem the school bus safety. — So we believe there will be fewer accidents in future.