—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.
| A．was | B．were | C．is | D．are |
— You have found your lost umbrella, haven’t you?
—Yes. I _____ it behind the door this afternoon.
| A．have found | B．will find | C．found | D．find |