题目内容
Since the matter at hand was _________, they had to deal with it at once.
- A.boring
- B.personal
- C.informal
- D.urgent
D
练习册系列答案
相关题目
My colleague has been recovering gradually since the operation, and it wont’ be long ______ he comes back to work.
A.before |
B.since |
C.after |
D.when |