If nothing________，the oceans will turn into fish deserts. (2013·湖南，26)
#99430
A
does
B
had been done
C
will do
D
is done
推荐题目
“Do you know that Jack ______ a postman for about six years?” “Yes, I see.”
#104387
A
has become
B
has turned
C
has changed
D
has been
—Is Paul playing basketball for his school?—Well,he ,But he has given it up and switched to playing volleyball.
#102479
A
is
B
was
C
has
D
had
(2013·高考北京卷)—So what is the procedure?—All the applicants________before a final decision is made by the authority.
#99689
A
interview
B
are interviewing
C
are interviewed
D
are being interviewed
Public attention at the moment is ______ on the problem of how to create opportunities for the laid-off workers.
#103481
A
focused
B
paid
C
attracted
D
concerned