The students entered the classroom, smiling and________, and________down to have their lessons. [ ]

It never occurred to humans until themid-l990s someanimals can be cloned

saw a fashion dress in a shop which set her heart racing. However, its price was far beyond her _______.

I’m going to Kate’s birthday party this afternoon.— ______ __ .

1It takes ____ three days ____ home by ship.