Many people think it very difficult _______English.

In no case ________ you are a senior two student.—My teacher has told me thousand times. Anything fresh

29．Internet，as well as newspapers and magazines，____an inportant part in our daily life

It is selfless ______ the doctor to devote all the time he had ________ for the patients. —I think so, they are so great.

The professor you referred to in the letter______ us students three lectures by next Monday