She has taught in this school________ nine years.
[ ]
|
A.in |
B.on |
|
C.for |
D.at |
We go to the language lab once ________week.
[ ]
|
A.a |
B.an |
|
C.the |
D.× |
She has taught in this school________ nine years.
[ ]
|
A.in |
B.on |
|
C.for |
D.at |
We go to the language lab once ________week.
[ ]
|
A.a |
B.an |
|
C.the |
D.× |