Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.
#102356
A
are used; is
B
is being used; is
C
have been used; are
D
has been used; are
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The vegetables in his field ________ well, because they are pollutionfree.
#99491
A
are selling
B
have been sold
C
are sold
D
sell
---When ______ and visit our exhibition next month ?-- -When _______ , I will let you know .
#104621
A
will he come ; he will come
B
will he come ; he comes
C
does he come ; he will come
D
does he come ; he comes
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
The new tax would force companies to __________energy-saving measures.
#100738
A
adapt
B
adopt
C
adjust
D
address
As the twentieth century came to a close，the raw materials for a great national literature were at hand，waiting ______.
#104355
A
to use
B
to be used
C
to have used
D
to be using