Only by studying hard ________ improve her English soon.

We must stop the hunters hunting the Tibetan antelopes(藏羚羊) in Tibet.— I agree with you. If it ________, they will ________ soon.

______ does he swim?— He swims twice a week. [ ]

Come on, boys and girls. Help ____________ to all the yummy food.

This book is________for a six-year-old child________read.