–When _______ your mother _______ you that blue dress, Lucy?
–Sorry, I really can’t remember. Maybe two or three weeks ago.
A．will; buy B．does; buy C．did; buy
—What were you doing this time yesterday?
—I ____on the grass and drawing a picture.
A．sit B．sat
C．am sitting D．was sitting
Although Bill isn’t rich enough, he often ______ money to the poor.
A．will give B．was giving
C．gives D．gave
Great changes _________ in Tongren in the past five years.
A．have happened B．have taken place
C．have been happened D．have been taken place
My pen pal said he would write to me, but I _____ any letters from him so far.
A．won’t receive B．haven’t received
C．hadn’t received D．didn’t receive
—Lin Kai, hand in your homework, please.
—Oh, sorry. I ______ it at home this morning.
A．was leaving B．has left
C．will leave D．left
