The address book ________ the email addresses of your friends or groups of colleagues.
A、makesiteasytorecallA
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Attendance at football matches have _____ since the coming of television.
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.
________ they've got to know each other a little better, they get along just fine.
In some schools children who prefer to read books rather than ________ football become social outcasts (被抛弃者 ).
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
