____(safe) comes first 用哪种形式填空?

____(safe) comes first 用哪种形式填空? Work always comes ____(one) safe safe safe FIR的 FIR,IIR滤波器是什么意思FIR, It is ____（safe）to play with fire. ____ There comes a car.( look ) Who comes ____(one) in th exam Our teacher comes from （Hunan ）.（括号里提问） ____ ____ teacher ____ ____? 25.I wonder if she ____ tonight.If she ____,I’ll let you know.A.will come,comes B.comes,will come C.comes,comes comes comes Shopping on the Internet isn't always safe(改为同义句)____ ____ ____ ____shop on the Internet The mutton comes from the ___ The ______comes frotheflour.The paper comes from the ____ 什么是FIR滤波器? Fir 英文什么意思