I wanted to know _____________.
| A．how does he come here | B．how he comes here |
| C．how did he come here | D．how he came here |
We drove our car to go _________ the tunnel.
| A．across | B．over | C．through | D．between |
Nobody helped me. I finished it by _________.
| A．myself | B．me | C．I | D．mine |
My pen pal Ann found it difficult ______ Chinese well.
| A．learning | B．learn | C．to learn | D．learned |
---Can you tell me why you learn English so well ?
---It is very simple. _______ you work, ______ grades you will get.
| A．The harder: the best | B．The hard: the better |
| C．Harder: better | D．The harder: the better |