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
The injured man _______ to hospital by a driver yesterday.
#44840
A
takes
B
took
C
is taken
D
was taken
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned
 The classroom        every day.
#44450
A
should clean
B
should be cleaned
C
should cleaned
D
should be cleaning