—I wonder ________?
—I’m not sure. Let’s ask Miss Li for help.
which subject should we choose
what we can do with the rest materials
that Bob went to the library just now
I don’t like physics ______ it’s too difficult for me.
—_____ do you _____ the book? —It’s very interesting.
—Your new dress looks very nice! —_____
—_____ is it today? —It’s Tuesday.
—It’s time _____ lunch. —OK. Let’s _____.