---_____ your father have a ping-pong bat ? ---No , he _____ .
| A．Is ; isn’t | B．Does ; isn’t |
| C．Do ; doesn’t | D．Does ; doesn’t |
After Mandela was free (自由的) in 1990, he chose to shake hands with the people ________ wanted to kill him.
| A．whose | B．which | C．/ | D．who |
— I’m sorry, sir. I can’t finish the work on time.
— Never mind. ________, the work is quite difficult.
| A．At least | B．For instance |
| C．After all | D．First of all |
When you are swimming, ________ your ears. You can use earplugs (耳塞) to stop water getting into your ears.
| A．take after | B．take part in |
| C．take off | D．take care of |
Turn off the water while you ________ your teeth or washing your hands.
| A．were brushing | B．brush |
| C．are brushing | D．brushed |
It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth.
| A．takes | B．spends |
| C．costs | D．pays |