—My question is ____he _____ be compared with Yao Ming in playing basketball. -- Oh, you are really his big fan. A. that; can B. whether; must C if; might D whether; can
— I'm sorry. I lost the key to your bike. —________. I have another one.
— Did his performance _________ you? — No, I didn’t like his performing style.
Only when you slow down the speed ______ feel safer.
_______ to settle into the new environment, he made every possible effort.
He made a perfect landing. _______, he landed safely and correctly.