As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
#64802
A
do they
B
don’t they
C
don’t you
D
isn’t it
推荐题目
-- is it from here to the hotel? -- About 15 minutes by bike.
#59883
A
How many
B
How much
C
How long
D
How far
--- What _____ your mother ______? --- She’s a reporter.
#60210
A
does, do
B
are, do
C
do, do
D
are, does
Reading books is very important for developing the students’ understanding of the world, _______?
#64853
A
is it
B
are they
C
isn’t it
D
aren’t they