After the class,the students went out of the classroom one by one, but only Mary______.
Could you tell me __________ the railway station?
It was because of the bad weather ______ the sports meet was put off.
________ get to the company in time, we set out early in the morning.
Some languages,________ Russian and German,are not easy to learn.
Every minute should be made full ___ of ___ our lessons well.