1.Lucy didn't know when the early train ___at Beijing railway station tomorrow
A arrived B/arrives C would arrive(不需解释，直接给个答案）
2. The only thing __ they can do is wait
A which B what C that D who
(附理由，谢谢）
3. I often talk with my friend about the things and the persons ___we are interested in.
A who B whom C that D which
(附理由，谢谢）
4. Did you see the woman and the dog ___ran in the park this morning?
A that B which C who D whose
(附理由，谢谢）
5。 Do you know the date ___ your mother left the home?
A which B that C thy D when
(附理由，谢谢）
1.C2.C(排除法：A应该是指多件事中的一件，而此处没有范围；B：what=the thing that，所以肯定不对；D就不用说了，只能修饰人)3.C（开始我也差点选了B，以为whom做in的宾语。但又看了一遍题选项应该是修饰“the things and the persons”的所以不是修饰人，应该选that，即可修饰物又可修饰人！此题不是很确定-。-）4.A（that即可修饰人又可修饰物，跟第三题一个道理）5.D（when= on which,when在定语从句中做时间状语：再举两个例子（1）I still remember the day when I first came to the school. （2）The tim
1.C2.C这个句子是这样的The only thing （that they can do） is give wait.括号中的部分是一个定语从句，先行词是thing，所以句子的主干应该是The only thing is wait.这就变成了简单的主谓宾结构，that是可以省略的。3.C介词的宾语从句。先行词有the things and
CCCBD2、定语从句、that充当引导词、表示一件事3、定语从句、主句先行词有人有事、从句不缺成分、引导词用that4、定语从句、主语有人有物、但从句缺少主语、用which来充当从句主语5合成一个句子your mother left home on the date、所以该填on which、即when权威答案、谢绝粘贴、全对的话、
