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单项选择 1. You are _____ a cold if you don’t take any medicine. A. in danger of catch B. in danger of catching C. in the danger of catching D. in the danger of catch 2. 用适当的介词填空 ①The operation is a success and he is now ______ danger. ②He has been very ill. The doctor says that he is now ______ danger. ③The signal on a railway line was ______ danger. 3. —What does P.O. ______? —Postal order, I guess. A. call for B. wait for C. prepare for D. stand for 4. I have no idea what these two letters ______. A. stand up B. stand by C. stand for D. stand at 5. He will ______ our class to sing at the school singing contest. A. take place of B. stand for C. represent D. representative of 6. My teacher told me not to spend too much time ______ novels. A. read B. reads C. reading D. to read 7. The money collected from ticket sales could be ______ food. A. pay back | 
