---How can you_____them_____the solar cars?
---Solar cars are getting better all the time.
| A．persuade,to use | B．persuade,into using | C．persuade,in using | D．persuade,for using |
Having a trip abroad is certainly good for the old couple, but it remains______whether they will enjoy it.
| A．to see | B．to be seen |
| C．seeing | D．seen |
These plants are watered________.
| A．each other day | B．every other day |
| C．each of two days | D．every of two days |
_____ in her best skirt, the girl tried to make herself ____ at the party.
| A．Dressed; noticed | B．Dressing; noticing |
| C．Dressing; noticed | D．Dressed; noticing |
The boy has made rapid progress in English this term, _____ the teacher praised him yesterday.
| A．of what | B．for what |
| C．of which | D．for which |
After months of voyage, Columbus arrived in ________ later proved a new continent.
| A．where | B．what | C．which | D．that |