---Why do you run quickly in the early morning?---( ) the school bus.You know,I always get up late.A.CatchB.To catchC.CatchingD.Have caught

问题描述:

---Why do you run quickly in the early morning?
---( ) the school bus.You know,I always get up late.
A.Catch
B.To catch
C.Catching
D.Have caught

B.To catch
不定式作目的状语

B.To catch
不定式表目的

to catch