The Eiffel Tower __________ for the 1889 Paris Expo. It is a symbol of the city now.
#44875
A
built
B
was built
C
has built
D
was building
推荐题目
Please don’t stand up in class _____ you ______.
#44549
A
until ; are told to
B
when ; are told
C
after ; were told
D
before ; were told to
 The 30th London Olympic Games ____________ on July 27th, 2012.
#44703
A
will be held
B
is held
C
was held    
D
has been held
The radio says a wild animal zoo is going to ____ in our city. 
#44930
A
be built
B
built
C
build
D
be building