They all tried to talk _______, but I couldn’t hear anything they said.
A: all the same
B: once again
C: for once
D: all at once
A: all the same
B: once again
C: for once
D: all at once
举一反三
- They all tried to talk ( ） ， but I couldn't hear anything they said. A: over time B: all at once C: in advance D: on time
- They all tried to talk ________, but I couldn’t hear anything they said.
- They all tried to talk ,but I couldn’t hear anything they said. A: in advance B: over time C: to begin with D: all at once.
- 同时: all at once|all once|at all once|at once
- The phrase "once in a blue moon" in last line refers to______. A: all at once B: once for a long time C: once in a while D: once and for all