---- Why does the river smell terrible? ---- Because large quantities of water______．
#99913
A
have been polluted
B
has polluted
C
has been polluted
D
have polluted
推荐题目
—I haven’t heard from Henry for a long time.—What do you suppose________ to him?
#102053
A
will happen
B
has happened
C
was happening
D
had happened
The old lady her husband for forty years.
#104521
A
has married to
B
has got married to
C
has married
D
has been married to
Most of the movies directed by Zhang Yimou ________historical facts.
#103215
A
is based on
B
based on
C
are based on
D
basing on
－What a dry day!－We _______ such dry weather for almost twenty days．
#104440
A
have
B
have had
C
have been having
D
have been had
---- How about your last weekend?---- It was boring. I______ anything.
#100247
A
can’t do
B
hadn’t do
C
haven’t do
D
didn’t do