Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.
#102473
A
are to challenge
B
may be challenged
C
have been challenged
D
are challenging
推荐题目
– Why does she look so tired?-- She ________ all the morning and she still hasn’t finished it.
#104525
A
cleaned
B
was cleaning
C
has been cleaning
D
has cleaned
Five workers ____ the mine disaster. After the injured ___ to the hospital, doctors and nurses immediately got down to saving their lives.
#101953
A
was survived; rushed
B
survived from; were rushed
C
survived; was rushed
D
survived; were rushed
–There will be a talk show this time tomorrow. Would you go with me ? --I’m sorry,but I _____an important meeting.
#100075
A
have attended
B
will be attending
C
am about to attend
D
would attend
–Why do you look so upset? –The electricity was cut off suddenly and my essay _______ unfinished since.
#99262
A
was left
B
has left
C
left
D
has been left
---- Are you still a teacher? ---- No, I____ in Harbin No. 3 High School for five years.
#102428
A
worked
B
have worked
C
have been working
D
had worked