It is said that potato chips ____________ by mistake about a hundred years ago.
#41556
A
invent
B
invented
C
are invented
D
were invented
推荐题目
—What did you do before you came here? —I in a factory.
#41541
A
worked
B
am working
C
will work
D
work
—What fruit does Jenny ______?—She ______ apples.
#38547
A
like; like
B
like; likes
C
likes; like
D
likes; likes
A student _________ from a tree and __________ his right leg.
#41975
A
fell; hurted
B
fell; hurt
C
falled; hurt
D
falled; hurted
The lifestyle we were used to ________ a lot these years.
#39204
A
changing
B
changed
C
has changed
D
being changed
Jack’s grandfather ________for more than twenty years.
#41835
A
has dead
B
has died
C
has been died
D
has been dead