—Excuse me , haven’t you learned the new ___law? Everyone in a car must wear the seat belt.
—Sorry , we won’t do that again.
| A．food | B．traffic |
| C．medicine | D．education |
Linda, with her parents，_______ the Wolf Hill, and they will be back this afternoon.
| A．has gone to | B．have gone to | C．has been to | D．have been to |
Wearing white can help people _______when they feel stressed.
| A．fall down | B．calm down | C．look down | D．come down |
David didn’t give up ______ he had failed in the experiment four times.
| A．if | B．while | C．though | D．since |
一Look! That teacher is explaining something to her students again and again!
一_______teacher she is!
| A．How patient | B．What patient | C．How a patient | D．What a patient |
Lucy liked all the dresses there，but she took the ______one to save as much money as possible for Project Hope.
| A．cheaper | B．more expensive | C．cheapest | D．most expensive |