Question

1. They don't know ______their parents are. A th

1. They don't know ______their parents are.
A that B what C why D which
2. Please tell me ______what last year.
A. where does your sister work B where did your sister work
C where your sister works D where your sister worked
3. She asked me if I knew ______.
A. whose pen is it B. whose pen it was C. whose pen it is D. whose pen was it
4. You must remember ________.
A. what your mother said B. what did your mother say
C. your mother said what D. what has your mother said

Answer 1

保证准确率哦~

1. B

   此处填的词既要能做know的宾语，又要能做are的主语，含此功能的引导词只有what,答案选”B"

2. D

   考察从句的语法结构，需用陈述句语序，故此可排除“A和B选项”，再由last year知需用过去式，可排除“C选项”，故答案为“D"

3. B

   考察从句的语法结构，需用陈述句语序，故此可排除“A和D选项”，再由asked知需用过去式，可排除“C选项”，故答案为“B"

4. A

   考察从句的语法结构，需用陈述句语序，故此可排除“B和D选项”，从句引导词需前置，做句子成份，故可排除“C选项”，故答案为“A"

   以上，希望可以帮到你，不懂可以追问哦~~~

Answer 2

5.D 宾语从句，从句用陈述语序，且Look为不及物动词，不能单独用
6.A 语法大致同第五题。
7.D 火车时刻一般不变，故用一般现在时
8.D 同第五题语法一样。
9.B 陈述句句序。
10. D 语法同第五题