Wearing white can help people _______when they feel stressed.
The mobile phone has influenced people’s life a lot since it _______.
. –Mary, is this ______ umbrella?--No, it’s not mine. It is _______.
The tall building has ______ floors. And Tony lives on the ______ floor.
________ clever girl she is! She got a good mark in the math exam again.A. What B. What a C. How
May I ask _______? Maybe I can help you find it.A. what are you looking for B. what you are looking for C. what you are looking