Don’t  forget to _______ the lights when you  leave the classroom.
#61225
A
turn on
B
turn off
C
turn up
D
turn down
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---I’d like to buy a book named Confucius from the Heart.  -- Sorry, it ________ two days ago. 
#55412
A
is sold out
B
has been sold out
C
was sold out
D
sold out
I’ve found your watch. You ______ it on my desk yesterday.
#54743
A
left
B
have left
C
forgot
D
have forgotten
He looks sad.  Let’s cheer him up. 
#58939
A
let him down.
B
Make him happy
C
make him pleasure
D
disappoint him