Business is improving but much more work and common sense will be ______ before any profits can be realized .

Every means has been _______. No one is effective.

. In crowded streets, for the safety of people, it is ______ to drive faster than 20mph.

As we know, in the airport we’re ______ to smoke only in special areas.

As for how to promote public education, Professor Li gave us a lot of suggestions which _____ reasonable and practical. 

The tourists often complained of being _____ by the local peddlers when they buy some souvenirs.

. If you take the pills three times a day, it should        your headache.

. After I returned to my hometown, I was pleased to find that it had         a new look.

In children’s eyes, the Spring Festival is         with nice food and new clothes.

The wind was too strong, so he          the car windows.