It is believed that a new kind of drug ______ by the scientists and they are hopeful that they will succeed in a few months.
#102623
A
has been developed
B
is being developed
C
is developing
D
has developed
推荐题目
--David, are you 1istening to me?--Sorry, Dad. I _______ to make sense of what the reporter said.
#100634
A
was trying
B
have tried
C
am trying
D
tried
---- What’s our homework for today, Tom? ---- Oh, sorry. I ______.
#102915
A
hadn’t paid attention
B
was not listening
C
am absent-minded
D
couldn’t hear
Who would you rather ________ your place since you are in hospital？
#103177
A
have take
B
have to take
C
take
D
have taken
They would __if food was difficult to find, so they celebrated when they had food.
#101738
A
kill
B
disappear
C
starve
D
start