题目内容
The machine is so old ________ it can't be used any more ________ some of its parts are changed.
A.as; unless
B.that; unless
C.that; if
D.whether; or
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
题目内容
The machine is so old ________ it can't be used any more ________ some of its parts are changed.
A.as; unless
B.that; unless
C.that; if
D.whether; or
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||