---I hope you enjoyed the film last night. ---How on earth do you know I went to a film? I you.
Almost everyone has his own strengths and weaknesses. It is ______ others are weak that maybe you have a great advantage.
_____ the flight to Beijing will be delayed is _______ I’m especially worried about.
I think you need some outdoor exercise. Plenty of fresh air will______ good health.
To tell the truth, if it were not for the fact that you______ my daughter, I would not take such pains to serve you.
In the end, we got to the situation ____ we had to take immediate action to save the wounded.