It is reported that the underground system      in Changsha now will be open in 2015.
#103392
A
is being built
B
built
C
being built
D
is built
推荐题目
The Tibetans          in the Himalayas for centuries and have adjusted to the conditions at________.
#102472
A
has live; a such great height
B
have live; such a great height
C
has lived; a such great height
D
have lived; such a great height
 They often go to the restaurants for meals. They _____ be very poor.
#104479
A
mustn’t
B
can’t
C
may not
D
needn’t