Ⅰ.单句语法填空
1．The same general guidelines(guideline)on when to dress formally apply to both men and women.
2．Emails are scanned for keywords in order targeted(target)advertising.
3．After living in America for many years，he becomes very familiar with the customs there.
4．The more you read，the better your composition will be.
5．What we must always keep in mind is that we must serve the people.
6．In order to attract more customers，many supermarkets usually sell their goods at a discount at weekends.
7．Jack could not account for his foolish mistake.
