. To make sure that he was at home, I called him up ____ . A. by chance B. in general C. in particular D in advance
When _______ to F1, I have little knowledge to if.
I feel like _________ a long walk. Would you like _______ with me?
You will succeed in the end ________ you give up halfway.
Paul is good, kind, hard-working and intelligent; _____, I can’t speak too highly of him.
To improve their oral English, everyone in the class is supposed to ______ actively in these discussions.