is known to us all is the old scientist, for whom life was hard in the
past, still works very hard in his eighties.
A.What; what | B.What; that | C.That; what | D.As; that |
推荐套卷
is known to us all is the old scientist, for whom life was hard in the
past, still works very hard in his eighties.
A.What; what | B.What; that | C.That; what | D.As; that |