Nancy is _______ dancing, and she keeps dancing till midnight every day.
| A．curious about | B．crazy about |
| C．worried about | D．concerned about |
Don’t be shocked if you realize a man ____ is actually a millionaire. Rich people are weird.
| A．in rags | B．in ruins | C．in advance | D．in addition |
It is always not easy to live in a foreign country; ____ so if you can’t speak their language.
| A．specially | B．eventually | C．especially | D．simply |
You can’t park here, sir. It is ____ for the ambulances only.
| A．protected | B．reserved | C．saved | D．swapped |
The only existing problem is ____ we can find this special wood in the forest in such a short time.
| A．when | B．where | C．that | D．whether |
The reason why they failed the test was ____ they didn’t sleep at all the night before.
| A．because | B．why | C．that | D．for which |