— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
Victor has ______ aunt and two uncles.A. a B. an C. the
This is _________ book, and that is _________ .A. my ; yours B. my ; your C. mine ; yours
----- ? -----W-A-T-C-H , watch.A. Is it a watch B. Can you spell watch C. How do you spell watch
-----Does Tom _______ an eraser? ----- Yes. He _________ one. A. have ; have B. have ; has C.has ; have
-----Your pen is very nice. -----_________.A. OK B. No, it isn’t C. Thank you