—Mary is good at singing in our class.—___________.A. Yes, I am B. Yes, she is C. No, she can’t
I’m working ____ my computer. A. in B. at C. on
Dad, ______ is a call for you. A. haveB. there’s C. there
Mom is ______ a letter. A. writing B. write C. writeing
I am talking ____ you. A. forB. to C. on
Do you want to _____ to the zoo? A. goB. going C. speak