--Dad, I want to go out for dinner with my friends tonight. --Keep in mind _________ you have to be home by 9:00. 
#78795
A
that
B
where
C
what
D
when
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—We can use QQ to talk with each other on the Internet.—Really? But can you tell me _______it.
#38190
A
how I can use
B
how can I use
C
why can I use
D
when I can use
In those hard days, we could not leave behind________came to us for help.
#78833
A
who 
B
whomever
C
no matter who 
D
whoever
- -Could you tell me          ?--Sorry, I don't know .I was not at the meeting.
#36444
A
what does he say at the meeting
B
what did he say at the meeting
C
what he says at the meeting
D
what he said at the meeting