--______ are you in? --I am in Class One. A. Which school B. What class C. Which grade
Watching TV too much ________bad for you eyes. A. are B. was C. is
Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.” A. mustn’t B. had better C. needn’t
—Could you please ________us some stories?—OK. A. say B. talk C. tell
My uncle says that it’s his duty ________the patients. A. save B. to save C. Saving
As we know, ________ is good exercise and it is necessary for health. A. walk B. walks C. walking