―Look! What a mistake! Why?
―Sorry, I _________ on it.
| A．don’t concentrate | B．hadn’t concentrated |
| C．haven’t been concentrating | D．wasn’t concentrating |
--- Are you sure you have to ? It's been very late.
--- I don't know _____ I can do it if not now.
| A．where | B．why | C．when | D．how |
---Would you please tell me _________?
--- In a small village near Niingbo.
| A．where was your mother born | B．where your mother was born |
| C．when was your mother born | D．when your mother was born |
The photograph will show you ________.
| A．what does our village look like | B．what our village looks like |
| C．how does our village look like | D．how our village looks like |
--- Can you guess if they _______ to play basketball with us?
--- I think they'll come if they _________ free.
| A．will come, will be | B．will come, are | C．come, are | D．come, will be |
---Where does he come from ?
--- Pardon?
--- I asked where_________.
A…. did he come from B. he came from