It is essential that we( )someone who can repair this machine within the next 48 hours.
A.正确答案Alocate
B.ought to locate
C.located
D.must locate
It is essential that we( )someone who can repair this machine within the next 48 hours.
It is essential that we( )someone who can repair this machine within the next 48 hours.
A.正确答案Alocate
B.ought to locate
C.located
D.must locate