As we all know ,Columbus          America and Edison         light bulbs.
#53582
A
discovered ; invented
B
invented ; discovered
C
discovered ; discovered
D
invented ; invented
推荐题目
We’re looking forward to _____ your school.
#53977
A
visit
B
visiting
C
looking
D
watching
Her son _____ coke , but now he ____ milk.
#52278
A
used to drink ; is used to drinking
B
used to drinking ; drinks
C
is used to drinking ; used to drink
D
is used to drink ; is drinking
—How about going hiking this weekend? —Sorry. I prefer ______ rather than ______.
#56354
A
staying at home, go out
B
going out; staying at home
C
to go out, stay at home
D
to stay at home, go out
___________to London to watch the Olympic Games ___________my dream.
#60540
A
Go, is
B
Go, are
C
Going, are
D
Going, is