There was a sad _____ on her face when she said she had lost her new cellphone.
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Working with expressionsAlthough they are roommates, they are not close ____ each other.
For them, there is no social life to speak ____. They are too busy.
I'm afraid that he will be overcome ______ shock on hearing the news.
Don't try to travel to too many places ___ a time. You will be tired out.