1. Do what you think is right, _______ they say.
　　A.however B. whatever
　　C. whichever D. if only
　　2. The size of the audience, _______ we had expected, was well over one thousand.
　　A.whom B. who
　　C. as D. that
　　3. I recognized John ______ he entered the room.
　　A.hardly B. the minute
　　C. no sooner D. at once
　　4. The man said he would hit me _______ I told him where the money was.
　　A.until B. unless
　　C. soon after D. as
　　5. That’ the reason ______ Ann could not do her part of the job.
　　A.that B. of
　　C. because D. why
　　答案：1-5 BCBBD