—Why are you going to take part in the high jump in the school sports meet?—Because I am good at ___________A. jump B. jumping C. jumped
I wanted to know _____________.
We drove our car to go _________ the tunnel.
Nobody helped me. I finished it by _________.
My pen pal Ann found it difficult ______ Chinese well.
---Can you tell me why you learn English so well ? ---It is very simple. _______ you work, ______ grades you will get.