22. Jason didn’t turn up yesterday, because he was out on business. We all felt sorry ___ him.
If China’s space technology has achievedbreakthrough in this field, it really is amazing wonder.
Though he is in his late sixties, the well-known biologist begins each day ____ a sense of adventure and a sense of curiosity.
The chairman was about to declare the conference open ____ the lights went all out.
--- Oh, you haven’t read my e-mail? --- Sorry, I haven’t had any ____ to the computer these days.
The writer emphasizes the importance of being completely honest with friends, and that’s ____ I personally disagree.