_______ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious the couple was | B．So curious were the couple |
| C．How curious the couple were | D．The couple was such curious |
After seemed a long time, they finally arrived at the destination.
| A．what | B．it | C．that | D．which |
All people around him like him, for he has a strongof humor.
| A．sense | B．idea | C．feeling | D．thought |
Keep on trying, you will find a way out.
| A．so | B．but | C．or | D．and |
—Would you mind my using your dictionary?
—. Go ahead.
| A．Yes | B．Sure | C．Of course not | D．Not a little |
By the time Billy was 6, hein the sea.
| A．had already swum | B．was already swimming |
| C．has already swum | D．already swam |