______ you have tried it, you can’t imagine how pleasant it is.
A. When. B. Because. C Although. D. Unless.
---The novel gone with wind is said __________ into several language.
| A．to translate | B．being translated |
| C．having been translated | D．to have been translated |
Tom’s mother kept telling him that he should work harder, but _________ didn’t help.
| A．he | B．which | C．she | D．it |
The poor man, __________, ran out of the dark cave.
| A．tiring and frightened | B．tired and frightened |
| C．tired and frightening | D．tiring and frightening |
The stone bridge __________ last year is very beautiful.
| A．built | B．was built | C．being built | D．to be built |
A driver should __ the road when .
| A．concentrate on; drive | B．concentrate in; driving |
| C．concentrate to; drove | D．concentrate on; driving |