--- ________ you need help,call me or send me an e-mail. ---Thank you very much. A. Whatever B. However C. Whenever
---______will you be back to the office? ---In half an hour.
It’s impossible for us ______ robots like humans now.
There ______ a concert in the gym sometime next week.
She ______ go to the movies, but I’m not sure.
---______a nice day it is! Let’s go swimming. ---Good idea.