We know that about seventy percent _____ the earth _____ covered by water.
#44426
A
/; is
B
of; are
C
of; is
D
about; are
推荐题目
— Your classroom looks bright and tidy.— It after school every day.
#44914
A
cleans
B
cleaned
C
is cleaned
D
was cleaned
–Smoking should in school.--I agree. It’s bad for our health.
#44372
A
be allowed
B
not allow
C
allow
D
not be allowed
There was a big earthquake in Japan, but luckily many people _________.
#45002
A
save
B
saved
C
are saved
D
were saved
Sixteen-year-olds should _________their ears pierced.
#44743
A
be allowed to get
B
be allow to get
C
allow to get
D
be allowed getting
When he was at college, he and his friends to organize a party.
#44647
A
are asking
B
were asked
C
was asked
D
asks