In a position like this, one can ________ stand up _______ lie down . So it is very uncomfortable.
A:both… and…
B: either… or…
C:neither… nor….
D:not only… but also…
已知sinθ+cosθ=43,θ∈0,π4,则sinθ﹣cosθ的值为( )
—What was the party like?
—Wonderful. It is years________I enjoyed myself so much.