This book is ______,I like it very much.
The public sign in the library means people ________ smoke there.
could
must
couldn’t
mustn’t
We are ________ that the Great Wall is one of the wonders of the world.
friendly
brave
nervous
proud
We learned ________ to work as a team by completing the task.
what
which
how
who
Kitty, these books are ________ heavy for you ________ carry. Let me help you.
as…as
too…to
such…that
so…that
There isn’t ________ in the classroom. All the students are having a PE lesson in the playground.
somebody
anybody
nobody
everybody