A ship in harbor is safe, but that's not ______ ships are built for.
Rather than ________on a crowded bus, he always prefers _______a bicycle .
You can take any seat _______ is free.
It was a small room, _ _it offered a fine view of the old city.
Hardly could he _______this amount of work in such a short time.
— What would you like to do? Doing shopping or going to the cinema? —_____. Whatever you want to do is fine with me