My brother lives ________ 102 Moon Building.A.on B.at C.of
—Happy birthday you,Daming !—Thank you. A.toB.with C.at
—Who can help?—Sorry,I can’t. A.me B.IC.he
—What are the birds doing ?—They are in the tree. A.singB.singing C.sings
—Is it going to rain?—Yes,it is. A.yesterdayB.tomorrowC.three days ago
—Here you are. — A.Excuse me B.Sorry.C.Thank you.