当你想知道这是谁的钢笔时,应说:____。A.Is this your pen ?B.Where is your pen ?C.Whose pen is it ?
A: is the best time to go to Beijing? B: Winter. A.Who B.What C.When
Theare green in fall. A.leaf B.leafs C.leaves
Which schoolMike go to ? A.do B.does C.is
In spring, I wear my . A.skirts B.shirts C.shorts
In,usually we can plant trees. A.winter B.spring C.fall