I have bought two pens, _______writes well.A. neither of them B, neither of which C. none of which D. both of which
_______ 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.
Many buildings in the city need repairing, but the one ______ first is the library.