May I go now? — No. You ______________ let the teacher know first.”

What do you think of the book ? —–It is so , and I feel

.—LiAn, a Chinese director, won the best director again in his_______. —How great he is. It is his ______ time to win an Oscar.

I’d like to help ________ /’h?uml?s/ people.

Trees and flowers ________every year to make our country more beautiful.