I’m not sure _______my friend can come here or not tomorrow.A. whether B. when C. if
She is a _____ girl with two big eyes.
When I walked past the park, I saw some old people _______ Chinese Taiji.
--_______ . They often use them to play game instead.
His grandparents live _____ in a small house, but they don’t feel _______.
David was so excited at the good news that he could _______ say a wod.