At first, we didn’t know _______to do.
#43313
A
how
B
where
C
when
D
what
推荐题目
The old man lived ______ but he didn’t feel _______.
#43348
A
lonely, alone
B
alone, alone
C
alone, lonely
D
lonely , lonely
  _______carefully you write, _______ mistakes you’ll make.
#43388
A
The more, the fewer
B
The less, the fewer
C
The less, the more
D
The more, the less
 There are some differences _______ me _______ my sister.
#35730
A
from; to
B
across; from
C
from; and
D
between; and
       your left, you can see a bridge        the river. 
#40055
A
In; above
B
In ; over
C
On ; over
D
On ; above