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
— I hope you enjoyed the film last night. — How on earth do you know I went to a film? I _____ you.
#104306
A
won’t tell
B
didn’t tell
C
haven’t told
D
hadn’t told
He__________ he would be able to leave tomorrow, but it's beginning to took difficult．
#103718
A
hopes
B
was hoping
C
had hoped
D
hoped
The 29th Olympic Games ____ in Beijing in 2008.
#101695
A
will be held
B
was held
C
has been held
D
is being held
—Has Billy finished his homework today?—I have no idea.He it this morning.
#104538
A
would do
B
was doing
C
has done
D
had done
. --- Is Tom still smoking? --- No. By next Saturday he ______ for a whole month without smoking a single cigarette.
#104265
A
will be
B
will have gone
C
will have been
D
has been going