_______ necessary for us _______ English well.A.It’s; to learn B.It’s; learn C.That’s; learn
—What do you think of detective stories? —They are _______ than romantic stories.
—Show me your homework, Dave. —Sorry, Mrs Brown. I’ve _______ it at home.
It was ____ useful information that the company_____ much money on it.
________ our teacher is ill, ________ he still comes to our class to teach us.
—I don’t like watching cartoons.— _____________.