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
-—David has gone to Australia on business.—Really? I ______ why he was absent from today’s meeting.
#101832
A
am wondering
B
wonder
C
was wondering
D
had wondered
More than a dozen students in that school ________ abroad for further study every year.
#99399
A
sent
B
are sent
C
have been sent
D
have sent
Quantities of precious jewelry_____ buried_____ in the earth.
#101917
A
was found; deeply
B
were found; deeply
C
was found; deep
D
were found; deep
(2014·东北三省三校一联)Traffic conditions in Beijing________for decades.At first people only complained about jams during rush hours，but today every hour is rush hour.
#99124
A
is worsening
B
have worsened
C
have been worsening
D
worsened