Which sentence is grammatical correct? ( )
A: It takes seventeen trees to produce one ton of junk mail.
B: It takes seventeen trees to produce one ton of junk mails.
C: Mails are just sent once a day, and there is no delivery on Sundays or holidays.
D: The mail is just sent once a day, and there is no delivery on Sundays or holidays.
A: It takes seventeen trees to produce one ton of junk mail.
B: It takes seventeen trees to produce one ton of junk mails.
C: Mails are just sent once a day, and there is no delivery on Sundays or holidays.
D: The mail is just sent once a day, and there is no delivery on Sundays or holidays.
举一反三
- My mail box is full of ______ mails every day. A: hunk B: junk C: hunks D: junks of
- ________ a day goes by that I don’t receive dozens of junk mails in my email box. A: None B: Usually C: Nearly D: Hardly
- 6. A: Shortening business hours. B: Closing offices on holidays. C: Stopping mail delivery on Saturdays. D: Computerizing mall sorting processes.
- I ____ him the Christmas gift by mail because he came home during the Christmas holidays. A: ought to have sent B: couldn’t have sent C: must have sent D: needn’t have sent
- Questions 5 to 7 are based on the news report you have just heard. 6题选（）. A: Shortening business hours B: Closing offices on holidays C: Stopping mail delivery on Saturdays D: Computerizing mall sorting processes