If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
推荐题目
-- Who do you think ___ the book here? --- It may be John. He was sitting here all the morning.
#103608
A
has left
B
leaves
C
had left
D
was leaving
—How long have you retired, Grandpa?—Well, four years, But you know, I for Courtaulds for over forty years.
#102190
A
have worked
B
worked
C
had worked
D
Work
— I called you at ten, but there was no reply. —Oh, that was probably when I ________ a shower.
#104755
A
am taking
B
took
C
were to take
D
was taking
Tom is very happy in China during this period because his Chinese ________ every day.
#99725
A
has improved
B
is improving
C
improved
D
is improved
--- I’m sorry, but there is no smoking on this flight． --- Oh, I _________ that．Sorry, I won’t again．
#103054
A
don’t know
B
didn’t know
C
won’t know
D
haven’t known