The wide spread of super hybrid rice around the world ______ the lives of millions and millions of people suffering from hunger to a great level.
#102778
A
has improved
B
is improving
C
improved
D
has been improving
推荐题目
．The moment I got home, I found I _______ my jacket on the playground.
#103483
A
had left
B
left
C
have left
D
was leaving
---Kate returned home last night. ---Really? Where_________?
#102268
A
had she gone
B
has she been
C
has she gone
D
had she been
The fans ______ patiently for hours and they will wait till the movie star _____.
#100641
A
will wait;arrives
B
have waited; will arrive
C
have been waiting; arrives
D
waited;arrives
So far this year we ______ a fall in house prices by between 5 percent and 10 percent.
#102338
A
saw
B
see
C
had seen
D
have seen