—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.
#99495
A
is controlling
B
controls
C
has controlled
D
controlled
推荐题目
  When I ______home, I caught a thief stealing from a passer-by.
#99768
A
headed
B
was heading
C
has headed
D
had headed
I ______ him in time, otherwise he would have fallen off the bike.
#103285
A
had supported
B
supported
C
have supported
D
support
 Great changes___ have taken place _____ in the city, and a lot of factories________.
#100428
A
have been taken place; have been set up
B
have taken place; have been set up
C
have taken place; have set up
D
were taken place; were set up