q('in^I was born *in 1998.');
q('on^I was born *on March 23 1998.');
q('on^Don\'t forget the grammar test *on Friday!');
q('in^My birthday is *in March.');
q('at^My birthday is *at the end of March.');
q('at^You\'re late! The lesson begins *at 9.15, not 9.17!');
q('in^We always like to go skiing *in the winter.');
q('for^You seem very tired. I think you should go away *for a few days.');
q('on^I have a dentist appointment *on Friday afternoon.');
q('at^Since starting my new job I find it difficult to sleep *at night.');
q('until^Please wait here *until I get back.');
q('in^I usually have a little sleep *in the afternoon.');
q('by^Can you come to my party? - Yes, I should be back *by Friday.');
q('for^It has rained non-stop *for the last 3 days!');
q('in^We return to Korea *in two weeks.');
q('during^I fell asleep *during the film. It was so boring.');
q('by^Please be here *by 8 o\'clock at the latest.');
q('at^We both finished the test *at the same time.');
q('since^I haven\'t played tennis *since I came to Germany.');
q('until^Can you come to my party on Friday? - Sorry, I won\'t be back *until Sunday.');