they______in this school since they ______to thicity in.2000A.have studied;have comeB.have studied;cameC.studied;cameD.were studying;have come

They______in the playground last______afternoon. they______in this school since they ______to thicity in.2000A.have studied;have comeB.have studied;cameC.studied;cameD.were studying;have come they were in the park.同义句they______in the park. What's that?_____a zebra.A,That's BIt'sC,ThiS I am between SA and SC!just this is my life! I'm going to my ____ this afternoon.A.uncleB.uncle'sC.unclesD.uncle house Look at this lovely child_________A.your brotherB.Your brother'sC.you brotherD.you brother's SC 15 sc是什么意思 ____is this blouse?______knows?A、Who's;WhoB、Whose;Who'sC、Who;Who'sD、Whose;Who说出为什么 2 _______ what they're talking about .A.They're B.This'sC.There's D.That's Whose book is this -- It must belong _A Diana B Diana'sC To DianaD To Diana's einstein is one of the greatest 这里应该补个sc开头的什么单词?this century 闲人勿进____ skirt is this A who's LinglingB whose Lingling'sC what LinglingD which Lingling' This bedroom is .A.Peter's and Joe'sB.Peter and joe'sC.Peter's and JoeD.Peter and Joe EPON用SC/APC还是SC/UPC? sc电路系统什么是SC电路 This kind of hairstyle was popular _____.A.in the 1990sB.from the 1996sC.in 1990s.D.in the 1990