Although medical science________ control over several dangerous diseases, what worries us is that some of them are returning.
#101311
A
achieved
B
has achieved
C
will achieve
D
had achieved
推荐题目
(2013·湖北卷)While intelligent people can often________the complex，a fool is more likely to complicate the simple.
#99146
A
sacrifice
B
substitute
C
simplify
D
survive
— Will James attend the party? — He has just arrived, but I didn’t know he ______ until yesterday.
#99119
A
is coming
B
had come
C
was coming
D
came
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
#104309
A
has been chosen
B
had been chosen
C
was chosen
D
chose
— You look tired.— Yes. I ___ non-stop until 8 o’clock.
#102862
A
had worked
B
work
C
have worked
D
was working
The mayor ________the diplomat at 4 o’clock tomorrow afternoon.
#100565
A
will meet
B
will be meeting
C
met
D
was meeting