—Tom is so worried about the test that he said he was going to study all night. —Tell him he should quit ______ and get some help.
#93350
A
to have worried
B
to worry
C
worrying
D
from worrying
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 From his _______ look, we could see that he hadn’t expected that we could raise such _______ questions to him.
#96667
A
confused; confusing
B
confusing; confused
C
confusing; confusing
D
confused; confused
Mrs. Black had her left hand ______while cooking.
#91706
A
burned
B
burn
C
to burn
D
burning