21. I lost my wallet and I couldn\'t pay the bill_______ .
A. for a moment . B. in a moment . C. at the moment . D. the moment.
22. I arrived half an hour earlier_____ I had time to talk with him before the meeting.
A. as soon as . B.as a result . C. In order to . D. so that .
23. They spent a _____evening in the country and felt very ______.
A. relaxing;relaxing. B.relaxed;relaxed. C.relaxed;relaxing. D.relaxing;relaxed.
