Going camping in the desert will not be enjoyable( )you have prepared thoroughly.
A.正确答案Cbecause
B.when
C.unless
D.until
Going camping in the desert will not be enjoyable( )you have prepared thoroughly.
Going camping in the desert will not be enjoyable( )you have prepared thoroughly.
A.正确答案Cbecause
B.when
C.unless
D.until