21. His answer was so _________ that I was ______ and didn’t know how to fight him back.
A. amazed, amazing B. amazed, amazed C. amazing, amazing D. amazing, amazed
22. ______ it is to jump into a river to swim on such a hot day.
A. What a fun B. How funny C. What fun D. How a fun
23. Please pay attention to the ___________ for using the medicine.
A. direction B. orders C. instructions D. words