A new kind of drug ___ ___ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks.
#100007
A
has been developed
B
is being developed
C
is developing
D
has developed
推荐题目
(2013·湖南长沙二模)Either the judge or the lawyers ________ wrong on the case at that moment.
#99556
A
is
B
are
C
were
D
was
—Where is Mother?—She is in the kitchen. She ______the housework all morning.
#99274
A
does
B
has been doing
C
has done
D
was doing
— Why? Tom, your shirt is so dirty! — Mum, I ＿＿ my storeroom downstairs。
#104430
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning
—Why do you want to work for our company?—This is the job that I ______for.
#102407
A
looked
B
am to look
C
had looked
D
have been looking