_____ puzzles me most is that I don’t know ______ the difference between the two lies.
It was the belief _____ Alex Haley could find his “root” in Afric______ made him decide to go to Gambia.
John had made up his mind to give it up, but on _________ second thought he determined to have __________ third try.
— If our team gets the first place, we will get a bonus. With that bonus, I will go for a trip with my girl friend. — _______.
We attend lectures in the school lecture hall at weekend ____ seats more than 800 students.
—How dangerous it was!—Yes, but for the passer-by’s quick action, the girl ________.