29. About one in ten computer game players show signs of addictive behavior that have negative effects on their family, friends and school work , according to a new study.

Reports say the plane crashed 15 minutes after it took off, killing all 157 passengers _____

product ____ unsatisfactory within 7days in any way, you can take it back

Excuse me, is he Jack—No, _______ name is Mike.

1We must try ______ best tomake our city more beautiful.