下列各组大写字母中,他们的小写字母只占中格的是________.
For your own ________, please do not smoke inside the plane.
seat
safety
score
He ________ much healthier if he ________ enough exercise in his free time.
is; take
will be; takes
will be; take
“Li Ming, ________ your homework first, and you can watch TV for 30 minutes.” said his mum.
does
did
do
Look! There ________ some information about traffic rules in this book.
is
are
was
I could ________ understand what he was saying because it’s ________ to follow a quick speaker.
hard; hardly
hard; hard
hardly; hard