---Hello! Who’s that _______ ?---This is Mary . I’d like to ______ to Andy about tomorrow’s trip.
My best friend Alex failed in the maths competition. I’d like to _________.
It’s creative _______ you _______ this good idea.
We all know that learning a foreign language ______ time and effort.
He devoted as much time as he could _________ English.
—I think it’s impossible for us to work out the plan in just two days. It’s too difficult. —You’re right. We can’t be _______ careful and hard while working on it.