Today many physical bookstores ________ down with financial difficulties, inflexible management strategies and competitive pressure from online bookstores.
#105310
A
had closed
B
having closed
C
being closed
D
are closing
推荐题目
Tom, would you like to stop practising B-Box? The CCTV news____ and I want to listen.
#105325
A
is broadcasting
B
has been broadcasting
C
is broadcast
D
is being broadcast
What shall we use for power when all the oil in the world has ?
#105323
A
given out
B
put out
C
held up
D
used up
Although the causes of cancer ____we do not yet have any practical way to prevent it.
#105341
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
The aging population _____ each day .There must be some kind of interesting activity for the old.
#105312
A
has grown
B
grew
C
will grow
D
is growing