47._______ the doctors and nurses were tired,_____________ t
47._______ the doctors and nurses were tired,_____________ they still went onworking.
A.Though; but B.But; though C.Though;/ D.But; /
48.It's ___________late _____________ go there on foot now.I think you’d bettertake a taxi.
A.so; that you can B.too; for you to C.so; that you may D.too; you can