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
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The hearts and minds of the fans ______ by the song “Bad Romance” since it hit the shops.
#102863
A
captured
B
were captured
C
have captured
D
have been captured
—Those scientists invented a robot to care for kids! —It’s not surprising．They ____ wonders all the time．
#103461
A
worked
B
were working
C
work
D
have been working
—Though it in the desert most of the year, people still live there.—That’s the case. They say east or west home is the best.
#102372
A
hasn’t rained
B
didn’t rain
C
doesn’t rain
D
hadn’t rained
—Sorry, sir. And you'll let me pay to have your jacket cleaned, won't you?—That's all right. Coffee ________ lasting marks on clothing, I'm sure.
#99475
A
didn't leave
B
doesn't leave
C
hasn't left
D
hadn't left
Here is a list of names of the guests to be invited to the party. Please don’t _______ any of them when typing.
#99814
A
let out
B
make out
C
leave out
D
put out