Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world. 
#38493
A
changes, cities
B
changed, city
C
changed, cities
D
has changed, cities
推荐题目
— Would you like _______ the Mountain tommorrow?— If my mother _______ . I will go with you.
#39779
A
climbing; will allow
B
climbing; allows
C
to climb; allows
D
to climb; will allow
- What's that terrible noise?    - The neighbors_______ for a party.
#38508
A
prepared
B
prepare
C
will prepare
D
are preparing
 Look! They _______________ a picnic.
#36213
A
have
B
is having
C
are having
D
having