In fact, _______ one cause that leads to the problem.
| A．cattle is | B．cattle are |
| C．cattles are | D．the cattles are |
Pain is now considered the fifth _____sign, as important as blood pressure, temperature , breathing rate and pulse in determining a person’s health.
| A．original | B．vital | C．unique | D．vivid |
—Do you know what people are saying about you?
—Of course I know. But _____ is true, and I don’t care.
| A．nothing | B．something | C．everything | D．none |
In our factory there are 2,000 workers, and two thirds of _______ are women.
| A．them | B．which | C．whom | D．who |
_____ the water run while you brush your teeth wastes water.
| A．Don’t let | B．Let | C．Not letting | D．Letting |
The fruit _____fresh in his fruit stand sells well.
| A．looking | B．looked | C．look | D．to be looked |