No chicken or duck ______ in the supermarket since the first case of H7N9 was reported dead.
#100628
A
has been sold
B
was sold
C
is sold
D
are sold
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 —What’s the noise?   —Oh, I forget to tell you. The new machine     .
#99908
A
has been tested
B
is tested
C
will be tested
D
is being tested
When and where to go for the on-salary holiday _____ yet.
#103343
A
are not decided
B
have not been decided
C
is not being decided
D
has not been decided