—The problem is very difficult. I'm afraid you can't work it out now. — I fail this time, I will try it again.
All the students ______come from America are here.
You will succeed in the end ______you give up halfway.
At 4:00 next Friday, I ________TV in my room.
---How did you find TV series? ---________
35. ________, women in the West are married in long white dresses while in China they wear red clothes.