_____ the government agrees to give extra money , the theatre will have to close.
| A．Until | B．Unless |
| C．Since | D．While |
We are so sorry for that．We'll try to determine exactly _________ went wrong that evening．
| A．where | B．what | C．which | D．how |
If you go there by ____train ,you can have quite a comfortable journey ,but make sure you get ___fast one.
| A．/; / | B．/; a | C．the; a | D．the ; / |
Visitors were _____at the _____pictures that the guide showed.
| A．amazed; amazing | B．amazed; amazed |
| C．amazing; amazing | D．amazing; amazed |
— I think my child’s behavior is _______ .
— No, he just has a lot of energy.
| A．information | B．natural | C．normal | D．abnormal |
He is a foreigner and he is not accustomed _____like that while he i8 tn China．
| A．treating | B．to be treated | C．to being treated | D．to treat |