---Boys, don’t swim in the Fengcheng River!
---Why not? Isn’t it deep enough _____?
A.to swim across | B.to swim in |
C.swim on | D.swimming on |
---Boys, don’t swim in the Fengcheng River!
---Why not? Isn’t it deep enough _____?
A.to swim across | B.to swim in |
C.swim on | D.swimming on |