______ did I feel they were being unreasonable.
A: At no time
B: At a time
C: At one time
D: For a time
A: At no time
B: At a time
C: At one time
D: For a time
举一反三
- ___ waste water was put into the rivers, and lakes which were badly polluted. A: At one time B: At a time C: One time D: A time
- ________ there were not so many stores on the streets. A: At a time B: At the same time C: At one time D: At any time
- Please keep an eye on my luggage, and I'll be back（） A: in time B: in no time C: at one time D: at a time
- Bob said that it is easy _______. A: for him being on time B: being on time for him C: for him to be on time D: on time for him
- Being _____ for work is very important. A: on time B: in time C: for time D: about time