．If I _________too late last night, I could not have fallen asleep in class.

Having you ever ______ in front of thousands of people at a concert, with everyone _____ while you were singing?

---Guess what, we’ve got our visas for a short-term visit to the UK this summer. ---How nice! You ______ a different culture then. 

No decision __about any future appointment until all the candidates have been interviewed.

My mother doesn’t approve_______ abroad to study before graduation from high school.