The student corrected his paper carefully, _______ the professor's suggestions.
_______ children get older, they become more and more interested in everything.
_______ has been known that ______ other waste found in the ocean, the plastic does not break down.
It is a good plan in theory, but it remains _______ whether it works in practice.
As senior three students, it is important to ______ a good state of mind.
The bread you bought at the supermarket today was at least ______ the bread you bought in the nearby bakery yesterday.