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
推荐题目
At present , the butter factory is still polluting the river though it _____to stop.
#100076
A
ordered
B
has ordered
C
will be ordered
D
has been ordered
Using a telescope we could see that something .
#102178
A
is happening
B
happened
C
would happen
D
was happening
—why, James, you look so tired! ---Well, I _____the house and I must finish the work tomorrow.
#103246
A
was painting
B
will be painting
C
have painted
D
have been painting
Some StraightA students in school ________ to be less successful in society than they ________ expected.
#99456
A
turned out; are
B
have turned out; were
C
will turn out; were
D
had turned out; were
Many a student ______ made that mistake before, which is another way of saying a great many students ________ made that mistake.
#103735
A
had; has
B
has been; have
C
have; has
D
has; have