This, I think, ________the first time that we _______traveling together. Would you like to join us?
What's the __________,in your opinion, of helping him if he doesn't make an effort to help himself?
He __________ to be very happy when his son makes great achievements.
We prefer __________ alone rather than __________.
It is nice to hear from a close friend. __________,welast met more than thirty years ago.
He has __________ all his goals he set for himself.