____was a time ____black people were looked down uponA it,when B there ,that C it,that D this ,that 为什么选A

____was a time ____black people were looked down uponA it,when B there ,that C it,that D this ,that 为什么选A ____was stressed in the meting ,everyone of us should go to work on time .A As B That C Which D What 那个答案正确 为什么 第4题a=____b=____ ____was the weather like yesterday?A How BWhat CWhat a D How a Jack's birthday is April 6th.一般疑问句并作否定回答另外还有一道“根据对话内容选择恰当句子”的题,A:Excuse me.____B:Sorry,I don't.A:So I must go to the store near our school.B:I think the store is closed at this time of The place ____was the Science Museum.A:we visitedB:where we visited为什么不选B The boy ____was bitten by a snack is in the hospital now 填 who whom 若4a^2+b^2+4a-8b+17=0.a=____b=____. 已知a²-6a+b²-4b+13=0,则a=____b=_____. 如果a+b=0,则a=-b;a²=_____b²；a³___b³比较大小a的4次方=____b的4次方a的5次方=____b的5次方a的2n+1次方=_____b的2n加1次方。a的2n次方=____b的2n次方 5数字数学填空题若a>b,c>d,则a(c-d)____b(c-d) 非限制性定语从句的先行词一定要放在句首吗?如果放在句末是不是就不是非限制性定语从句了?例如：She wore,____was very common at the time,a black jacket.A.that B.what C.which D.it因为先行词在句末,所以该 补全对话 Lily:joy,____ was your vacation?joy:I had a great time.lily:____ ____you go on vacation?joy:I ___to Hainan island.lily:our fa,ily are also thinking about_____there.joy:ohmif you get achance to go,take it.it was____goddlily:____was the we a：____was.the.house b：It_____on.the.mountain.a：Wa：____was.the.houseb：It_____on.the.mountain.a：What______in the house?b：There______a girl and______oldman.a:What did they______?b:The old man_______the girl a story.a:That_____fun.b:Can you I have never seen such a film ____was shown yesterdayA.as B.like C.that为什么选A? By ____was the book___?A.who;wrote B.whom ;write C.whom ;writeen d.whose;writing为什么选C A:oh,tina brown.B:yeah!I think she's so great.____was in that great action movie last month. __The activity was delayed,____was exactly___we wanted A which what B which which C that what D that that