________ astronauts go on spacewalks, they wear spacesuits to keep themselves safe.
Though
Till
When
Unless
—Have a good weekend! —________.
—Who’s that over there, Is it Jane?—No, It ________ be Jane. She is ill in hospital today.
—Jim! Which would you like, tea, milk or coffee? —________. Water is my favourite.
– Mum, can I have to eat? I’m hungry. -- Sorry, there is in the fridge. You can go downstairs to buy .
When ,____your father ____back? When he _________ back, please give me a ring.