( )(3)你想别人介绍说着是你的弟弟Sam,可以说:A. This is my brother,Sam. B. He is Sam.
----Which _________ do you like best ? ---- Cat. A. season B. animal C. teacher
What _______ John and Tim ________? A.is……doing B.are……do C.are……doing
_________ do you write e-mails ? At 9:00 p.m. A. When B. What C. Where
I usually _________ on the weekend. A. climbing mountains B. climbs mountains C. climb mountains
We often _________ sports in the afternoon. A.play B.playing C.are playing