The roof is the top most portion of the building which provides the top cover to the building.
举一反三
- Opposition the square is a very tall building, ___________top is well above the top of the others. A: its B: whose C: which D: that
- Opposite the square is a very tall building, ________ top is well above the top of the others.
- See the flags on top of the building? That was ______ we did this morning.
- They climbed to the top of the building ______ they could get a bird-eye view of the city. A: though B: in order that C: for which D: that
- She bought an apartment at the top of the building two months ________ (previous)．