“ ____________ you’ve made! But you should still work harder,” the teacher said to the boy.

Look! 　　　　playful the boy is! He is jumping up and down with excitement.

--- It’s said that the plane MH370 from Malaysia got lost. --- ________ sad news.

______useful dictionary for beginners of English! Where did you get it?

—Do you know that a 13-year-old English boy has done a nuclear experiment successfully? —_______ unusual work he has done!