Are you learning art now during your sparetime—No, I’ve stopped ________ Chinese medicineinstead.

night the floor was wet with beerOne young technician slipped and bumped into another They struggled, ________trying to get the other in a head-lock

I’m afraid I gave you a lot of trouble________ my stay here.

We must protect water from being _________, because it’s the source of life.

People should stop using their cars andstart using public transport— _______The roads aretoo crowded as it is