You mustn’t stay __________ late every day. It’s bad for your health.[ ]
You should really smoking because it’s bad for your health.
He is a new comer. There is no one _________, so let’s go and help him, shall we?
What a great artist! It seemed only a couple of minutes ____ he had finished this wonderful painting!
Hot water_____ in the students’ flats from 5 pm to 7 pm now.