Wheat production _______________30% in the past ten years.
| A．has been increased to |
| B．have been increased to |
| C．has been increased by |
| D．have been increased by |
The poor dog was________ when we found it. The bad weather killed it.
| A． dead | B．died | C．dying | D．die |
________ old man in the white hat has _______ 18-year-old daughter.
| A．The; a | B．A ; an |
| C．The; an | D．An ;an |
— Is that old car______________?
—No, it used to belong to ________.
| A．yours ; mine | B．you; my |
| C． yours ;me | D． your; me |
—I hear that Lily’s brother is a worker here.
—Look, the man _________ is working over there is her brother.
| A．whom | B．who | C．what | D．which |
________ bad weather it is! It’s rainy for two weeks.
| A．What | B．What a | C．How | D．How a |