With the ___ of Mr Liu, I made great progress in speaking English.
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
— Shall we go to the coffee room and wait for Judy there? — . I’m just a little bit thirsty.