问题

The clerk________his letter is working in our company[ ]
A:referred
B:referred to
C:referred to in
D:referred in
B:referred to
C:referred to in
D:referred in
正确答案是:
同类题型
he guide ______ the way, we finally got to the village which we were looking for.
How long did you stay at the airport—I stayed there Bob came to pick me up, for about two hours.
Fruit and vegetables are _________food.
So desperate ______ that no one could help another, each ____ to save himself and his animals.