It is known to us all E-mail is______efficient than sending a fax

Would you come to my house for dinner Sunday night? —_______,but I’ll be dining with my grandparents　　　

The person who was taking photos asked the family to sit ______ and listen ______ to his order [ ]

If you eat chocolate, maybe you’ll be fatter（更胖的）.

Some of my workmates prefer to send to our QQ group ______ news they got