Mr. Friend said he would try his best to help me, and he was ______ his word.
________ great scientist Qian Xuesen is!
If you don’t know that new word, you can __________in the dictionary.
It________me about 10 days_______painting the walls.
—What do you usually do in the morning? —I often practice ______English.
She studies for an English test by_______the textbook.