. The education system was once the ______of the country, but now it seems to be________.

She ________a German. She has _______him for three years.

—How long do you think the terrible snow will_____ ? —Sorry, I didn’t listen to the weather forecast. 

 We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.

—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.