Jiangsu Province ____ a series of activities to protect water resources over the past few months. Early this year, several cities ___ citizens to use new types of toilet equipment.
#103508
A
organised; called for
B
has organised; called for
C
organised; has called for
D
has organised; has called for
推荐题目
Great changes ________ in that school. It is no longer _______ it was 20 years ago.
#103299
A
have taken place, that
B
have been taken place, what
C
have taken place, what
D
took place, the place what
—What’s that terrible noise?—The neighbors      for a party. 
#100709
A
have prepared
B
are preparing
C
prepare
D
will prepare
With the development of science,more new technology      to the fields of IT.
#104546
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
 Hurry up! The train _____. You know it______ at 8:30 am.
#100211
A
leaves; leaves
B
is leaving; leaves
C
leaves; is leaving
D
is leaving; is leaving