cannot smile like a child, __________ a child smiles with hiseyes, while a man smiles with his lips alone

You can’t imagine what difficulty we had_______ homein the snowstorm.

I believe Fast＆Furious 7 was the best movie of last year.—Well, . But the ending is OK.

I can’t give you an answer right now I’d like more time to consider my decision

David, you left your English book on the desk—It isn’t .I think it is .