While building a tunnel through the mountain, ________ .
| A．an underground lake was discovered |
| B．there was an underground lake discovered |
| C．a lake was discovered underground |
| D．the workers discovered an underground lake |
Could you drive me to the supermarket at noon if _________?
| A．it’s convenient of you | B．you are convenient |
| C．it’s convenient to you | D．you will be convenient |
The Chinese ________ fifty-six nationalities, each of whom has their own characteristics.
| A．is consisted of | B．consists in |
| C．is made up | D．consists of |
Jenny hopes that Mr. Smith will suggest a good way to have her written English ______ in a short period.
| A．improved | B．improving |
| C．to improve | D．improve |
--- Where did you get to know her?
--- It was on the farm _____ we worked.
| A．that | B．which | C．when | D．where |
Food safety is _______ important, so the government spares no effort to prevent food pollution.
| A．highly | B．reasonally |
| C．strongly | D．naturally |