—These days,he has stayed up late into night in order to get good marks in the following monthly test.—It's no ________ that he seems tired and asleep in class every day.
Your uncle seems to be a good driver: _______, I wouldn’t dare to travel in his car.
Seeing the car trapped in the snow drift, the driver didn’t know ______ it.
________ English will help to communicate _____ people from different countries in the world.
— I have just had my watch repaired. —How much did they ______ you?
— Can I help you, madam? — Yes, I bought this air conditioner here yesterday, but it _____ now.