We had to wait in line for 30 minutes because only a few clients were allowed in______.
A: at one time
B: at all times
C: at certain times
D: at no time
A: at one time
B: at all times
C: at certain times
D: at no time
举一反三
- ________, people thought that the Earth was flat. A: At all times B: At a time C: At the time D: At one time
- _____ I used to go mountain-climbing every summer. A: At one time B: At times C: All the time D: On time
- He asked them to come to his office one [u] [/u]. A: at a time B: at all time C: at times D: at one time
- 【单选题】 We hope the situation will improve over time. The phrase “over time” means _________.( ) A: at all times B: in time C: after some time D: in no time
- We go to the movies ______ a month. A: once or twice B: one or two times C: two or three time D: three and four times