The basketball ________ I bought yesterday cost me 80 yuan.
A. that B. where C. who D. when
Grandma is ill. I have to ________ her at home.
A. look for B. look up C. look at D. look after
_______ smoke here, dad. Smoking has been banned in public places.
A. Don’t be B. Don’t C. Not to be D. Be not
Li Hua’s shoes are as _______ as Zhang Hui’s.
A. cheap B. cheaper C. the cheaper D. the cheapest
— Have you ever been to Nanning? — Yes, _______ .
A. I was B. I do C. I am D. I have
Look! The boys _______ football on the playground.
A. plays B. play C. are playing D. played