---How can I get to the island you mentioned? ---You can’t get there_____ by swimming.
Father _____ goes to the gym with us although he dislikes going there.
– I’m very tired. – We really should stop _____.
WHO is short _____ the World Health Organization.
I soon found that the work I was doing had already been done, _____, I was wasting my time.
She had stomach trouble and had to follow _____.