q('
| How many students in your class ....... from Korea? | ~come~are coming~comes~came~ | |
| Weather report: \"It\'s seven o\'clock in Frankfurt and ....... .\" | ~it\'s snowing~it snows~it snowed~there is snow~ | |
| Babies ....... when they are hungry. | ~cry~are crying~cries~cried~ | |
| Jane: \"What ....... in the evenings?\" Mary: \"Usually I watch TV or read a book.\" | ~do you do~are you doing~you doing~you do~ | |
| Jane: \"What ....... ?\" Mary: \"I\'m trying to fix my calculator.\" | ~are you doing~do you do~you do~you doing~ |