1 --Would you like to go to the concert with me, Mary?
--I have got no interest in it; ____, I have lots of work to do.
A. otherwise B. besides C. however D. therefore
2 After he retired from office, Rogers ____ painting for a while, but soon lost interest.
A. took up B. saved up C. kept up D. drew up
3 --May I speak to Mr. Smith, please? --I'm sorry, he is not here ____. Please call later.
A. in the moment B. at the moment C. for a moment D. in a moment
