Bikes ______ in the 1880s and they ______ traveling around.
#45063
A
were invented; were used as
B
were invented; are used for
C
was invented; was used for
D
invented; are used to
推荐题目
Can 16-year-old students drive to school? No, they shouldn’t ______ to drive because they aren’t serious enough.
#44897
A
allow
B
be allowed
C
allowed
D
have allowed
–How clean and tidy your bedroom is!” –Thank you. It ____ every day.
#44746
A
cleans
B
is cleaned
C
was cleaned
D
is cleaning
---How often do I need to feed the birds?---They______ food every day, or they will be hungry.
#44408
A
must give
B
mustn’t give
C
must be given
D
mustn’t be given
—Can I get my ears pierced, Mom? —No. As a student, you ________ do that.
#44593
A
are allowed to
B
should be allowed to
C
may not
D
shouldn’t be allowed to