Barrack Obama __________ President of the United States since 2010.
#63757
A
became a
B
has become a
C
has turned
D
has been
推荐题目
—Does he know how to work out the problem? —Yes, he has _______ a good idea to solve it.
#63779
A
caught up with
B
kept up with
C
come up with
D
put up with
A major search has been_____ for a Malaysian Airlines jet with 239 people on board after it lost contact flying from Kuala Lumpur to Beijing.
#63752
A
identified
B
launched
C
substituted
D
dissolved
-- I have got a headache. -- No wonder. You_________ on the math exercises too long.
#63776
A
work
B
are working
C
have been working
D
worked
---I’m very sorry to have ___ you with so many questions. ---It doesn’t matter.
#63778
A
forbidden
B
excused
C
impressed
D
bothered
I got caught in the rain and my suit _______.
#63795
A
has ruined
B
had ruined
C
has been ruined
D
had been ruined