—Did you hear about the terrible accident ?—Yes, but I don’t know _________.
#38618
A
where was it happened
B
where it was happened
C
where did it happen
D
where it happened
推荐题目
 His writing is so confusing that it's difficult to make out ________ he is trying to express.
#78783
A
what is it
B
what is it that
C
what is that
D
what it is that
Which of the following sentences doesn’t  contain(包含) an object clause(宾语从句)?
#38136
A
Many people believe robots will do most of our work.
B
Scientists should be able to develop plants that grow on Mars.
C
People think that humans on Mars have to wear special boots to make themselves heavier.
D
We all know the next Olympic Games will be held in Beijing.
May I ask _______? Maybe I can help you find it.
#37394
A
what are you looking for
B
what are you looking
C
what you are looking for
D
what you are looking
- You look worried. What's the matter? - I have some problems with my parents. I really don't know_______.
#37774
A
who to speak
B
who speaks to
C
who to speak to
D
who speaking to