Question

He’s ____ working in Germany as a representative of a Chinese company

1. A.
   at once
2. B.
   at a time
3. C.
   at present
4. D.
   on time

Answer 1

C
解析：
词义辨析题。作为中国公司的代表他目前在德国工作。A. at once 立刻   B. at a time    一度       C. at present  目前    D. on time 按时　　根据句意选C