Question

1. —May I open the window to let in some fresh air ?

   —___________

   A. Come on     B. Take care    C. Go ahead!    D. Hold on!

Answer 1

 C

解析:

Come on 來(lái)吧，走吧； Go ahead可以，干吧，開始，進(jìn)行；Take care 小心，當(dāng)心   Hold on 握住不放，堅(jiān)持。