Green products are becoming more and more popular because they are environmentally _________.

---I’m afraid I don’t have the ability to make a speech in public. I’m too nervous.
---Don’t worry. You will overcome it _______if you practice more.

In the new curriculum, some courses are        , while others are optional for middle school students.

When the woman found her borrowed valuable necklace (项链) ______, she felt______ the world was at an end.

   These comments are not directly ______ to the inquiry about safety standards.

From his _____look , we could see that he hadn’t expected that we could raise such ______
questions to him.

She has already tried her best. Please don’t be too ______ about her job.

The long speech given by that old professor seemed _____ and endless. He felt so _____ that he nearly fell asleep.

The lady said she would buy a gift for her daughter with the         .

--- Aren’t you ____ that Wang Kai got full marks in the English examination?
---- Yes, it is really _______.