— That’s the third time he’s won the award in this field.— Yes. He ______ his maximum potential in the past decade.
#102467
A
explored
B
is exploring
C
has been exploring
D
has explored
推荐题目
--Excuse me, I don't think you can smoke here. ---Really sorry. I ______ this is a non-smoking room.
#101474
A
didn't know
B
don't know
C
have no idea
D
haven't known
In the past few years, sea ice ____ in the Arctic as a result of global warming.
#101821
A
had melted
B
has been melting
C
melted
D
is melting
— What do you think of this kind of TV set, which ＿＿ in Shanghai? — Well, I don’t care such things.
#104415
A
was made
B
is made
C
has been made
D
had been made
— The food here is nice enough.— My friend ______ me a right place.
#104007
A
introduces
B
introduced
C
had introduced
D
was introducing
-You seem to be familiar with this city.-I_______here for three years. It's great to be back.
#101043
A
would live
B
had lived
C
lived
D
live