—Jim feels stressed from time to time, but he doesn’t know ______ about it.—He can get help from his teachers.
---Can you tell me __________? ---Yes. She came here on foot.
The news made me ________.
----How are you going, buddy? ----________. A little busy, though.
Scientists from different countries are trying to_______ a good way to solve the energy problem.
— Have you finished writing your book? — Yes. It _______ and _______ soon.