---I often chat with my friends on the Internet.---You are so smart! Will you please tell me ________?
#49449
A
how to do
B
how to do it
C
how to use
D
when can I use it
推荐题目
Don’t forget ______ the door when you leave.
#49672
A
close
B
closed
C
to close
D
closing
Thank you for_______ me with my English.
#49078
A
help
B
helping
C
to help
D
helps
Lucy, please stop ___  me. My bike is broken. 
#50966
A
helping
B
to help
C
help
D
helps
When I got there ,I saw some boys _____ on the playground.
#50714
A
playing
B
played
C
to play
D
was waiting