When did your father _________________ your mother?
----How are you going, buddy?----________. A little busy, though.
Scientists from different countries are trying to_______ a good way to solve the energy problem.
— Have you finished writing your book? — Yes. It _______ and _______ soon.
— Would your brother go for a picnic?. —If I don’t go, __________ .
— I am a little hungry, Mom. — There are some cakes on the plate. You can take ________.