This pair of socks ______ worn out. I'll have to buy a new ______.
#44734
A
is, one
B
are, ones
C
is, pair
D
are, pairs
推荐题目
I think students _____ to do homework with friends.
#44494
A
should allow
B
should be allowed
C
were allowed
D
must be allowing
—Lots of trees and flowers ______ on both sides of Huanshan Road last year. —Oh, that’s beautiful.
#45053
A
are planted
B
were planting
C
were planted
D
have planted
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent
—Look at the sign on the right. —Oh, parking ______ here.
#44971
A
doesn’t allow
B
isn’t allowed
C
didn’t allowed
D
wasn’t allowed
Nobody ______ to go into the laboratory without permission (允许).
#44894
A
allows
B
is allowed
C
promises
D
is promised