Potato chips by mistake in 1853.
A. invent B. invented
C. were invented D. are invented
—What were you doing at nine o’clock yesterday evening？
—I homework at home.
A. did B. do C. am doing D. was doing
—Is that woman Mrs. Yang？
—No，she be Mrs. Yang. Mrs. Yang has gone to Shanghai.
A. can’t B. needn’t C. mustn’t D. won’t
—Do you want to watch Kung Fu Panda with me？
—Yes，I like movies are funny.
A. What B. who C. that D. where
Sam runs much than his brother.
A. fast B. faster C. fastest D. the fastest
— volleyball is this？
—It must belong to Grace. She loves volleyball.
A. Whose B. Which C. What D. Who
