Up to now, our society ________ with limited living space and a shortage of natural resources.
#63760
A
has been challenged
B
is being challenged
C
is challenging
D
has challenged
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---I’m very sorry to have ___ you with so many questions. ---It doesn’t matter.
#63778
A
forbidden
B
excused
C
impressed
D
bothered
Up to now, our society ________ with limited living space and a shortage of natural resources.
#63760
A
has been challenged
B
is being challenged
C
is challenging
D
has challenged
In the last few years thousands of films ____ all over the world.
#63784
A
have produced
B
have been produced
C
are producing
D
are being produced
I know little about the accident because not much ______ about it up to now.
#63758
A
has said
B
has been said
C
had said
D
had been said
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