She can do the at home.
—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.
Ten minutes ago, there______ an eraser, a pen and some books on the desk.
— You have found your lost umbrella, haven’t you? —Yes. I _____ it behind the door this afternoon.