(2013·东北三校4月联考)—Car prices have been going down sharply in the last 20 years.—It's not surprising because the law of market ________ the price of a product.
#99613
A
is controlling
B
controls
C
has controlled
D
controlled
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Proper first aid can save a seriously injured person，especially when he or she is bleeding heavily or______.
#104358
A
has poisoned
B
was poisoned
C
has been poisoned
D
is poisoning
Prices____ all the time and no one knows when they stable.
#101890
A
are going up; become
B
have been going up; will become
C
have gone up; will become
D
have been gone up; become
I _____glasses since I was in primary school and I hate them. They make me look like a bookworm.
#99247
A
have worn
B
have been wearing
C
have been worn
D
was wearing