With so many forms ___, many students feel at a loss before the 2012 college entrance exam.[ ]

－Hi, I didn’t know you had come back! Have you finished your teaching in America?－YesI______Chinese there for more than two years

It is reported that there is bigbreakthrough in the cancer treatment. —If only his son could be brought back to life! A. a ; 不填B. 不填 ;a C. the ;the D. a ; the

It’s cold outside. You’d better _______ your coat.

I want someone to write the composition for me. —No！As a student，you _______depend on yourself.