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.