—You don’t see the professor from Singapore quite often, do you? —No, we only meet ______．

I am going to the airport to meet my uncle tomorrow morning, _____ he will be back from abroad. 

Everything seems to be going______for the first two weeks after I moved to London.

She devoted herself ______ to her research and it earned her a good reputation in her field. 

—How______do you attend the evening classes?—______,three times per week.