They are in ____ same grade, but in _____ different classes.A. the, \ B. a, the C. the, the
It ______ the workers about 20 months to build the Huhang highspeed railway.
He was _______ pain, __________ he didn’t cry.
My sister got a beautiful present on her ________ birthday.
Let’s stop _______ a rest. I am so tired.
The match will start in 20 minutes. The players have time to _________.