18.My sister burned herself, what ___________ I do?
(1 Điểm)
may
do
does
should
19.You shouldn't ____________ headphones when you have an earache.
(1 Điểm)
to use
use
using
uses
20.She has _________ shirt.
(1 Điểm)
a nice new
a new nice
nice a new
new a nice
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