(2014·石家庄质检)I admire Stephen Hawking greatly，whose________about black holes has a great effect on astronomy.
#10643
A
theory
B
practice
C
way
D
method
推荐题目
－Bob failed in the exam again.－He ________ it；he never worked hard.
#13403
A
deserved
B
succeeded
C
missed
D
considered
The manager had fallen asleep where he_______，without undressing.
#13493
A
was laying
B
was lying
C
had laid
D
had lied
The game was a great success in the United States and it soon _________ to Australia and then to other ___________countries.
#12585
A
reached, English spoken
B
floated , English speaking
C
expanded, English spoken
D
spread, English-speaking
--I wonder why everybody looks at me strangely when I cross the road. --In this city, you have to wait for a walk _____ to cross the road.
#12857
A
signal
B
symbol
C
mark
D
status
He is _________ about his chances of winning a gold medal in the Olympics next year.
#13561
A
optimistic
B
optional
C
optimal
D
obsessed