We have to be very careful not to make any mistakes at the final
2024-08-23英语写作基础(00597)
We have to be very careful not to make any mistakes at the final stage of the experiment. Everything we have done will be in vain. (compound sentence)
【正确答案】：We have to be very careful not to make any mistakes at the final stage of the experiment, or everything we have done will be in vain.
【正确答案】：We have to be very careful not to make any mistakes at the final stage of the experiment, or everything we have done will be in vain.
