B4 means
A: be careful
B: be full
C: be fool
D: before
A: be careful
B: be full
C: be fool
D: before
举一反三
- I urged him ___________ before the road was dangerous. A: careful B: to be careful C: being careful D: carefully
- Take a careful sight before firing.
- 听录音，选择你所听到的单词[音频] A: full B: fall C: fool D: foal
- FCL means ( )Container Load． A: Full B: Foreign C: Fair D: Free
- It is necessary _____ us to make full preparations before a test. A: by B: to C: for