英语 Black c---- are a sign of rain.（根据首字母填空）

英语 Black c---- are a sign of rain.（根据首字母填空） you are in a black —— are planning to go on vacation.A.Black's B.A Black's C.The Black's D.The Blacks 选D,为什么? 英语单项选择,答案和讲解I have three pens.One is red,____two are black.A. another B.other C.the other D.the others we ( ) a visitor today .she is Mrs Black .A.have B.has C.are White teeth are a sharp __to black skin.A .content B .contrast C.contract D.contact My shoes blue.But this pair of shoes black.A.are; are B.is; is CA.are; are B.is; is C.is; are D.are; is ______sweaters are yours?The black ones are____.A.Which,ours B.Which,yours C.Whose,mine 1.()bags over there are black.A.That B.They C.These D.Those 选择 His eyes _ black and big.A.am B.is C .are where ( )my black shoes?Over there A.am b.is c.are d.不填 This pair of shorts ( ) black A.amThis pair of shorts ( ) blackA.am B.is C.are the black pants are ____27 dollas.a.too b.also c.either Are （）goats white or black?A.That B.this C.the look!there __much black smoke in the sky.a.isb.are c.have Whose are these black shoes?----Bob's shoes black.I think they are ___.A her B his C your D my ----Hello.(Are you )(A) Mrs Black?----Yes(B).This(C) is Mrs Black speaking(D)请问,A、B、C、D选哪个,为什么改错题 改错 ----Hello.(Are you )(A) Mrs Black?----Yes(B).This(C) is Mrs Black speaking(D)请问,A、B、C、D选哪个,为什么