Having a trip abroad is certainly good for the old couple, but it remains ______ whether they will enjoy it.
Not only John and Tom but also their sister, Mary, _______ great interest in the piano lessons.
—You won’t believe it, Sam. I was chosen as an exchange student to China. —Congratulations! ____________ .
Jack doesn’t smoke now, but he ______________ for almost twenty years.
I got an email from Susan, _______________ said she was going abroad for sightseeing.
I give you my word, I mean what I say, ____________ you come any nearer, I will fire.