根据首字母和所给的中文，用单词的适当形式填空
It was too _______(雾) for people to see each other in such bad weather .
A proper a______ to improving your learning efficiency(有效地) is of great importance to every student.
Early to bed and early to rise makes a man healthy, w_____ and wise.
Nowadays people tend to buy the product or service the advertisement _________(推销，促销) or suggests.
The supermarket often began some ________(活动) to attract more customers to buy its goods.
We are d_______ at the good news that we will invite a famous professor to give us a speech about how to study English well tomorrow.
During our English teacher’s _______(不在场), we students kept silent as usual in the classroom.
From his ________(口音), we can know that he is from Shanghai.
For he has got ready for his speech in advance, he looks more c________ than other competitors.
His bad health is a great d_______ to him if he wants to become a sportsman.